Home / 147,440,787.12-203,508,760.50-85,581,054.72

Finding the Fourth Proportional to 147,440,787.12, 203,508,760.50 and 85,581,054.72

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Solution

The fourth proportional to 147,440,787.12, 203,508,760.50 and 85,581,054.72 is: 118,125,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,440,787.12 : 203,508,760.50 = 85,581,054.72 : x
  2. Step 2: Convert to fraction form
    147,440,787.12/203,508,760.50 = 85,581,054.72/x
  3. Step 3: Cross multiply
    147,440,787.12x = 203,508,760.50 × 85,581,054.72
  4. Step 4: Simplify right side
    147,440,787.12x = 17,416,494,368,349,874
  5. Step 5: Solve for x
    x = 17,416,494,368,349,874/147,440,787.12
  6. Step 6: Final answer
    x = 118,125,348.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.