Home / 82,944,048.80-124,416,073.20-76,897,431.20

Finding the Fourth Proportional to 82,944,048.80, 124,416,073.20 and 76,897,431.20

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Solution

The fourth proportional to 82,944,048.80, 124,416,073.20 and 76,897,431.20 is: 115,346,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,048.80 : 124,416,073.20 = 76,897,431.20 : x
  2. Step 2: Convert to fraction form
    82,944,048.80/124,416,073.20 = 76,897,431.20/x
  3. Step 3: Cross multiply
    82,944,048.80x = 124,416,073.20 × 76,897,431.20
  4. Step 4: Simplify right side
    82,944,048.80x = 9,567,276,429,071,164
  5. Step 5: Solve for x
    x = 9,567,276,429,071,164/82,944,048.80
  6. Step 6: Final answer
    x = 115,346,146.80

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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.