Home / 131,862,005.40-197,793,008.10-86,450,165.40

Finding the Fourth Proportional to 131,862,005.40, 197,793,008.10 and 86,450,165.40

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Solution

The fourth proportional to 131,862,005.40, 197,793,008.10 and 86,450,165.40 is: 129,675,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,862,005.40 : 197,793,008.10 = 86,450,165.40 : x
  2. Step 2: Convert to fraction form
    131,862,005.40/197,793,008.10 = 86,450,165.40/x
  3. Step 3: Cross multiply
    131,862,005.40x = 197,793,008.10 × 86,450,165.40
  4. Step 4: Simplify right side
    131,862,005.40x = 17,099,238,265,208,540
  5. Step 5: Solve for x
    x = 17,099,238,265,208,540/131,862,005.40
  6. Step 6: Final answer
    x = 129,675,248.10

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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.