Home / 114,925,982.90-172,472,955.15-80,913,758.90

Finding the Fourth Proportional to 114,925,982.90, 172,472,955.15 and 80,913,758.90

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Solution

The fourth proportional to 114,925,982.90, 172,472,955.15 and 80,913,758.90 is: 121,429,765.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,925,982.90 : 172,472,955.15 = 80,913,758.90 : x
  2. Step 2: Convert to fraction form
    114,925,982.90/172,472,955.15 = 80,913,758.90/x
  3. Step 3: Cross multiply
    114,925,982.90x = 172,472,955.15 × 80,913,758.90
  4. Step 4: Simplify right side
    114,925,982.90x = 13,955,435,109,777,614
  5. Step 5: Solve for x
    x = 13,955,435,109,777,614/114,925,982.90
  6. Step 6: Final answer
    x = 121,429,765.12

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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.