Home / 73,780,411.20-110,670,616.80-51,778,753.80

Finding the Fourth Proportional to 73,780,411.20, 110,670,616.80 and 51,778,753.80

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Solution

The fourth proportional to 73,780,411.20, 110,670,616.80 and 51,778,753.80 is: 77,668,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,780,411.20 : 110,670,616.80 = 51,778,753.80 : x
  2. Step 2: Convert to fraction form
    73,780,411.20/110,670,616.80 = 51,778,753.80/x
  3. Step 3: Cross multiply
    73,780,411.20x = 110,670,616.80 × 51,778,753.80
  4. Step 4: Simplify right side
    73,780,411.20x = 5,730,386,620,181,343
  5. Step 5: Solve for x
    x = 5,730,386,620,181,343/73,780,411.20
  6. Step 6: Final answer
    x = 77,668,130.70

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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.