Home / 136,635,776.80-205,000,904.40-131,911,856.80

Finding the Fourth Proportional to 136,635,776.80, 205,000,904.40 and 131,911,856.80

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Solution

The fourth proportional to 136,635,776.80, 205,000,904.40 and 131,911,856.80 is: 197,913,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,635,776.80 : 205,000,904.40 = 131,911,856.80 : x
  2. Step 2: Convert to fraction form
    136,635,776.80/205,000,904.40 = 131,911,856.80/x
  3. Step 3: Cross multiply
    136,635,776.80x = 205,000,904.40 × 131,911,856.80
  4. Step 4: Simplify right side
    136,635,776.80x = 27,042,049,945,083,292
  5. Step 5: Solve for x
    x = 27,042,049,945,083,292/136,635,776.80
  6. Step 6: Final answer
    x = 197,913,391.20

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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.