Home / 82,717,600.80-124,076,401.20-77,615,767.20

Finding the Fourth Proportional to 82,717,600.80, 124,076,401.20 and 77,615,767.20

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Solution

The fourth proportional to 82,717,600.80, 124,076,401.20 and 77,615,767.20 is: 116,423,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717,600.80 : 124,076,401.20 = 77,615,767.20 : x
  2. Step 2: Convert to fraction form
    82,717,600.80/124,076,401.20 = 77,615,767.20/x
  3. Step 3: Cross multiply
    82,717,600.80x = 124,076,401.20 × 77,615,767.20
  4. Step 4: Simplify right side
    82,717,600.80x = 9,630,285,070,553,002
  5. Step 5: Solve for x
    x = 9,630,285,070,553,002/82,717,600.80
  6. Step 6: Final answer
    x = 116,423,650.80

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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.