Home / 143,676,561.60-215,514,842.40-86,233,694.40

Finding the Fourth Proportional to 143,676,561.60, 215,514,842.40 and 86,233,694.40

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Solution

The fourth proportional to 143,676,561.60, 215,514,842.40 and 86,233,694.40 is: 129,350,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,676,561.60 : 215,514,842.40 = 86,233,694.40 : x
  2. Step 2: Convert to fraction form
    143,676,561.60/215,514,842.40 = 86,233,694.40/x
  3. Step 3: Cross multiply
    143,676,561.60x = 215,514,842.40 × 86,233,694.40
  4. Step 4: Simplify right side
    143,676,561.60x = 18,584,641,058,185,764
  5. Step 5: Solve for x
    x = 18,584,641,058,185,764/143,676,561.60
  6. Step 6: Final answer
    x = 129,350,541.60

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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.