Home / 189,720,502.60-284,687,042.10-80,527,091.80

Finding the Fourth Proportional to 189,720,502.60, 284,687,042.10 and 80,527,091.80

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Solution

The fourth proportional to 189,720,502.60, 284,687,042.10 and 80,527,091.80 is: 120,835,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,720,502.60 : 284,687,042.10 = 80,527,091.80 : x
  2. Step 2: Convert to fraction form
    189,720,502.60/284,687,042.10 = 80,527,091.80/x
  3. Step 3: Cross multiply
    189,720,502.60x = 284,687,042.10 × 80,527,091.80
  4. Step 4: Simplify right side
    189,720,502.60x = 22,925,019,573,457,164
  5. Step 5: Solve for x
    x = 22,925,019,573,457,164/189,720,502.60
  6. Step 6: Final answer
    x = 120,835,751.85

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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.