Home / 82,962,057.20-124,443,085.80-21,546,176.45

Finding the Fourth Proportional to 82,962,057.20, 124,443,085.80 and 21,546,176.45

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Solution

The fourth proportional to 82,962,057.20, 124,443,085.80 and 21,546,176.45 is: 32,319,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962,057.20 : 124,443,085.80 = 21,546,176.45 : x
  2. Step 2: Convert to fraction form
    82,962,057.20/124,443,085.80 = 21,546,176.45/x
  3. Step 3: Cross multiply
    82,962,057.20x = 124,443,085.80 × 21,546,176.45
  4. Step 4: Simplify right side
    82,962,057.20x = 2,681,272,684,629,289.50
  5. Step 5: Solve for x
    x = 2,681,272,684,629,289.50/82,962,057.20
  6. Step 6: Final answer
    x = 32,319,264.68

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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.