Home / 86,097,816,145.80-129,146,724,218.70-39,569,093,713.80

Finding the Fourth Proportional to 86,097,816,145.80, 129,146,724,218.70 and 39,569,093,713.80

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Solution

The fourth proportional to 86,097,816,145.80, 129,146,724,218.70 and 39,569,093,713.80 is: 59,353,640,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,097,816,145.80 : 129,146,724,218.70 = 39,569,093,713.80 : x
  2. Step 2: Convert to fraction form
    86,097,816,145.80/129,146,724,218.70 = 39,569,093,713.80/x
  3. Step 3: Cross multiply
    86,097,816,145.80x = 129,146,724,218.70 × 39,569,093,713.80
  4. Step 4: Simplify right side
    86,097,816,145.80x = 5,110,218,833,440,024,821,760
  5. Step 5: Solve for x
    x = 5,110,218,833,440,024,821,760/86,097,816,145.80
  6. Step 6: Final answer
    x = 59,353,640,570.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.