Home / 86,902,306.80-130,353,460.20-46,591,522.80

Finding the Fourth Proportional to 86,902,306.80, 130,353,460.20 and 46,591,522.80

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Solution

The fourth proportional to 86,902,306.80, 130,353,460.20 and 46,591,522.80 is: 69,887,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,902,306.80 : 130,353,460.20 = 46,591,522.80 : x
  2. Step 2: Convert to fraction form
    86,902,306.80/130,353,460.20 = 46,591,522.80/x
  3. Step 3: Cross multiply
    86,902,306.80x = 130,353,460.20 × 46,591,522.80
  4. Step 4: Simplify right side
    86,902,306.80x = 6,073,366,212,967,192
  5. Step 5: Solve for x
    x = 6,073,366,212,967,192/86,902,306.80
  6. Step 6: Final answer
    x = 69,887,284.20

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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.