Home / 82,944,442.40-124,416,663.60-42,559,008.80

Finding the Fourth Proportional to 82,944,442.40, 124,416,663.60 and 42,559,008.80

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Solution

The fourth proportional to 82,944,442.40, 124,416,663.60 and 42,559,008.80 is: 63,838,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,442.40 : 124,416,663.60 = 42,559,008.80 : x
  2. Step 2: Convert to fraction form
    82,944,442.40/124,416,663.60 = 42,559,008.80/x
  3. Step 3: Cross multiply
    82,944,442.40x = 124,416,663.60 × 42,559,008.80
  4. Step 4: Simplify right side
    82,944,442.40x = 5,295,049,881,019,039
  5. Step 5: Solve for x
    x = 5,295,049,881,019,039/82,944,442.40
  6. Step 6: Final answer
    x = 63,838,513.20

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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.