Home / 124,687,540.10-172,074,119.38-69,683,394.98

Finding the Fourth Proportional to 124,687,540.10, 172,074,119.38 and 69,683,394.98

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Solution

The fourth proportional to 124,687,540.10, 172,074,119.38 and 69,683,394.98 is: 96,166,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,687,540.10 : 172,074,119.38 = 69,683,394.98 : x
  2. Step 2: Convert to fraction form
    124,687,540.10/172,074,119.38 = 69,683,394.98/x
  3. Step 3: Cross multiply
    124,687,540.10x = 172,074,119.38 × 69,683,394.98
  4. Step 4: Simplify right side
    124,687,540.10x = 11,990,708,826,592,214
  5. Step 5: Solve for x
    x = 11,990,708,826,592,214/124,687,540.10
  6. Step 6: Final answer
    x = 96,166,054.90

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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.