Home / 121,344,342.10-182,016,513.15-80,529,673.30

Finding the Fourth Proportional to 121,344,342.10, 182,016,513.15 and 80,529,673.30

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Solution

The fourth proportional to 121,344,342.10, 182,016,513.15 and 80,529,673.30 is: 120,794,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,344,342.10 : 182,016,513.15 = 80,529,673.30 : x
  2. Step 2: Convert to fraction form
    121,344,342.10/182,016,513.15 = 80,529,673.30/x
  3. Step 3: Cross multiply
    121,344,342.10x = 182,016,513.15 × 80,529,673.30
  4. Step 4: Simplify right side
    121,344,342.10x = 14,657,730,339,174,654
  5. Step 5: Solve for x
    x = 14,657,730,339,174,654/121,344,342.10
  6. Step 6: Final answer
    x = 120,794,509.95

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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.