Home / 82,944,467.80-124,416,701.70-76,897,850.20

Finding the Fourth Proportional to 82,944,467.80, 124,416,701.70 and 76,897,850.20

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Solution

The fourth proportional to 82,944,467.80, 124,416,701.70 and 76,897,850.20 is: 115,346,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,467.80 : 124,416,701.70 = 76,897,850.20 : x
  2. Step 2: Convert to fraction form
    82,944,467.80/124,416,701.70 = 76,897,850.20/x
  3. Step 3: Cross multiply
    82,944,467.80x = 124,416,701.70 × 76,897,850.20
  4. Step 4: Simplify right side
    82,944,467.80x = 9,567,376,889,704,686
  5. Step 5: Solve for x
    x = 9,567,376,889,704,686/82,944,467.80
  6. Step 6: Final answer
    x = 115,346,775.30

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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.