Home / 86,262,872.62-129,298,465.02-65,724,883.04

Finding the Fourth Proportional to 86,262,872.62, 129,298,465.02 and 65,724,883.04

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Solution

The fourth proportional to 86,262,872.62, 129,298,465.02 and 65,724,883.04 is: 98,514,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,262,872.62 : 129,298,465.02 = 65,724,883.04 : x
  2. Step 2: Convert to fraction form
    86,262,872.62/129,298,465.02 = 65,724,883.04/x
  3. Step 3: Cross multiply
    86,262,872.62x = 129,298,465.02 × 65,724,883.04
  4. Step 4: Simplify right side
    86,262,872.62x = 8,498,126,491,014,277
  5. Step 5: Solve for x
    x = 8,498,126,491,014,277/86,262,872.62
  6. Step 6: Final answer
    x = 98,514,299.76

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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.