Home / 73,679,778.90-101,676,313.13-40,639,318.25

Finding the Fourth Proportional to 73,679,778.90, 101,676,313.13 and 40,639,318.25

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Solution

The fourth proportional to 73,679,778.90, 101,676,313.13 and 40,639,318.25 is: 56,081,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679,778.90 : 101,676,313.13 = 40,639,318.25 : x
  2. Step 2: Convert to fraction form
    73,679,778.90/101,676,313.13 = 40,639,318.25/x
  3. Step 3: Cross multiply
    73,679,778.90x = 101,676,313.13 × 40,639,318.25
  4. Step 4: Simplify right side
    73,679,778.90x = 4,132,056,047,065,145
  5. Step 5: Solve for x
    x = 4,132,056,047,065,145/73,679,778.90
  6. Step 6: Final answer
    x = 56,081,276.42

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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.