Home / 71,918,329.85-99,241,294.07-40,554,621.17

Finding the Fourth Proportional to 71,918,329.85, 99,241,294.07 and 40,554,621.17

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Solution

The fourth proportional to 71,918,329.85, 99,241,294.07 and 40,554,621.17 is: 55,961,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,918,329.85 : 99,241,294.07 = 40,554,621.17 : x
  2. Step 2: Convert to fraction form
    71,918,329.85/99,241,294.07 = 40,554,621.17/x
  3. Step 3: Cross multiply
    71,918,329.85x = 99,241,294.07 × 40,554,621.17
  4. Step 4: Simplify right side
    71,918,329.85x = 4,024,693,085,226,644.50
  5. Step 5: Solve for x
    x = 4,024,693,085,226,644.50/71,918,329.85
  6. Step 6: Final answer
    x = 55,961,993.19

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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.