Home / 159,609,966.90-239,414,950.35-86,798,613.30

Finding the Fourth Proportional to 159,609,966.90, 239,414,950.35 and 86,798,613.30

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Solution

The fourth proportional to 159,609,966.90, 239,414,950.35 and 86,798,613.30 is: 130,197,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,609,966.90 : 239,414,950.35 = 86,798,613.30 : x
  2. Step 2: Convert to fraction form
    159,609,966.90/239,414,950.35 = 86,798,613.30/x
  3. Step 3: Cross multiply
    159,609,966.90x = 239,414,950.35 × 86,798,613.30
  4. Step 4: Simplify right side
    159,609,966.90x = 20,780,885,693,668,348
  5. Step 5: Solve for x
    x = 20,780,885,693,668,348/159,609,966.90
  6. Step 6: Final answer
    x = 130,197,919.95

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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.