Home / 136,942,445.72-205,413,656.04-60,265,473.92

Finding the Fourth Proportional to 136,942,445.72, 205,413,656.04 and 60,265,473.92

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Solution

The fourth proportional to 136,942,445.72, 205,413,656.04 and 60,265,473.92 is: 90,398,205.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,942,445.72 : 205,413,656.04 = 60,265,473.92 : x
  2. Step 2: Convert to fraction form
    136,942,445.72/205,413,656.04 = 60,265,473.92/x
  3. Step 3: Cross multiply
    136,942,445.72x = 205,413,656.04 × 60,265,473.92
  4. Step 4: Simplify right side
    136,942,445.72x = 12,379,351,330,890,470
  5. Step 5: Solve for x
    x = 12,379,351,330,890,470/136,942,445.72
  6. Step 6: Final answer
    x = 90,398,205.36

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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.