Home / 132,343,252.30-198,514,878.45-98,331,028.30

Finding the Fourth Proportional to 132,343,252.30, 198,514,878.45 and 98,331,028.30

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Solution

The fourth proportional to 132,343,252.30, 198,514,878.45 and 98,331,028.30 is: 147,496,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,343,252.30 : 198,514,878.45 = 98,331,028.30 : x
  2. Step 2: Convert to fraction form
    132,343,252.30/198,514,878.45 = 98,331,028.30/x
  3. Step 3: Cross multiply
    132,343,252.30x = 198,514,878.45 × 98,331,028.30
  4. Step 4: Simplify right side
    132,343,252.30x = 19,520,172,130,838,008
  5. Step 5: Solve for x
    x = 19,520,172,130,838,008/132,343,252.30
  6. Step 6: Final answer
    x = 147,496,542.45

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Similar ratio
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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.