Home / 74,468,154.29-102,766,982.65-40,981,486.01

Finding the Fourth Proportional to 74,468,154.29, 102,766,982.65 and 40,981,486.01

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Solution

The fourth proportional to 74,468,154.29, 102,766,982.65 and 40,981,486.01 is: 56,554,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468,154.29 : 102,766,982.65 = 40,981,486.01 : x
  2. Step 2: Convert to fraction form
    74,468,154.29/102,766,982.65 = 40,981,486.01/x
  3. Step 3: Cross multiply
    74,468,154.29x = 102,766,982.65 × 40,981,486.01
  4. Step 4: Simplify right side
    74,468,154.29x = 4,211,543,661,658,433.50
  5. Step 5: Solve for x
    x = 4,211,543,661,658,433.50/74,468,154.29
  6. Step 6: Final answer
    x = 56,554,962.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.