Home / 45,816,193.40-68,724,290.10-20,244,039.80

Finding the Fourth Proportional to 45,816,193.40, 68,724,290.10 and 20,244,039.80

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Solution

The fourth proportional to 45,816,193.40, 68,724,290.10 and 20,244,039.80 is: 30,366,059.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816,193.40 : 68,724,290.10 = 20,244,039.80 : x
  2. Step 2: Convert to fraction form
    45,816,193.40/68,724,290.10 = 20,244,039.80/x
  3. Step 3: Cross multiply
    45,816,193.40x = 68,724,290.10 × 20,244,039.80
  4. Step 4: Simplify right side
    45,816,193.40x = 1,391,257,264,011,146
  5. Step 5: Solve for x
    x = 1,391,257,264,011,146/45,816,193.40
  6. Step 6: Final answer
    x = 30,366,059.70

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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.