Home / 83,744,403.70-125,616,605.55-77,697,786.10

Finding the Fourth Proportional to 83,744,403.70, 125,616,605.55 and 77,697,786.10

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Solution

The fourth proportional to 83,744,403.70, 125,616,605.55 and 77,697,786.10 is: 116,546,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,744,403.70 : 125,616,605.55 = 77,697,786.10 : x
  2. Step 2: Convert to fraction form
    83,744,403.70/125,616,605.55 = 77,697,786.10/x
  3. Step 3: Cross multiply
    83,744,403.70x = 125,616,605.55 × 77,697,786.10
  4. Step 4: Simplify right side
    83,744,403.70x = 9,760,132,148,631,972
  5. Step 5: Solve for x
    x = 9,760,132,148,631,972/83,744,403.70
  6. Step 6: Final answer
    x = 116,546,679.15

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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.