Home / 83,744,002.80-125,616,004.20-77,697,385.20

Finding the Fourth Proportional to 83,744,002.80, 125,616,004.20 and 77,697,385.20

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Solution

The fourth proportional to 83,744,002.80, 125,616,004.20 and 77,697,385.20 is: 116,546,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,744,002.80 : 125,616,004.20 = 77,697,385.20 : x
  2. Step 2: Convert to fraction form
    83,744,002.80/125,616,004.20 = 77,697,385.20/x
  3. Step 3: Cross multiply
    83,744,002.80x = 125,616,004.20 × 77,697,385.20
  4. Step 4: Simplify right side
    83,744,002.80x = 9,760,035,065,612,218
  5. Step 5: Solve for x
    x = 9,760,035,065,612,218/83,744,002.80
  6. Step 6: Final answer
    x = 116,546,077.80

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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.