Home / 77,098,757.03-106,379,073.49-45,720,861.18

Finding the Fourth Proportional to 77,098,757.03, 106,379,073.49 and 45,720,861.18

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Solution

The fourth proportional to 77,098,757.03, 106,379,073.49 and 45,720,861.18 is: 63,084,581.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,098,757.03 : 106,379,073.49 = 45,720,861.18 : x
  2. Step 2: Convert to fraction form
    77,098,757.03/106,379,073.49 = 45,720,861.18/x
  3. Step 3: Cross multiply
    77,098,757.03x = 106,379,073.49 × 45,720,861.18
  4. Step 4: Simplify right side
    77,098,757.03x = 4,863,742,851,493,308
  5. Step 5: Solve for x
    x = 4,863,742,851,493,308/77,098,757.03
  6. Step 6: Final answer
    x = 63,084,581.89

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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.