Home / 189,720,494.10-284,687,029.35-80,527,083.30

Finding the Fourth Proportional to 189,720,494.10, 284,687,029.35 and 80,527,083.30

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Solution

The fourth proportional to 189,720,494.10, 284,687,029.35 and 80,527,083.30 is: 120,835,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,720,494.10 : 284,687,029.35 = 80,527,083.30 : x
  2. Step 2: Convert to fraction form
    189,720,494.10/284,687,029.35 = 80,527,083.30/x
  3. Step 3: Cross multiply
    189,720,494.10x = 284,687,029.35 × 80,527,083.30
  4. Step 4: Simplify right side
    189,720,494.10x = 22,925,016,126,896,996
  5. Step 5: Solve for x
    x = 22,925,016,126,896,996/189,720,494.10
  6. Step 6: Final answer
    x = 120,835,739.10

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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.