Home / 82,944,001.60-124,416,002.40-42,129,332.80

Finding the Fourth Proportional to 82,944,001.60, 124,416,002.40 and 42,129,332.80

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Solution

The fourth proportional to 82,944,001.60, 124,416,002.40 and 42,129,332.80 is: 63,193,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,001.60 : 124,416,002.40 = 42,129,332.80 : x
  2. Step 2: Convert to fraction form
    82,944,001.60/124,416,002.40 = 42,129,332.80/x
  3. Step 3: Cross multiply
    82,944,001.60x = 124,416,002.40 × 42,129,332.80
  4. Step 4: Simplify right side
    82,944,001.60x = 5,241,563,170,755,199
  5. Step 5: Solve for x
    x = 5,241,563,170,755,199/82,944,001.60
  6. Step 6: Final answer
    x = 63,193,999.20

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1.5x scale

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.