Home / 381,686,188.96-572,529,195.96-109,056,959.20

Finding the Fourth Proportional to 381,686,188.96, 572,529,195.96 and 109,056,959.20

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Solution

The fourth proportional to 381,686,188.96, 572,529,195.96 and 109,056,959.20 is: 163,585,413.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,686,188.96 : 572,529,195.96 = 109,056,959.20 : x
  2. Step 2: Convert to fraction form
    381,686,188.96/572,529,195.96 = 109,056,959.20/x
  3. Step 3: Cross multiply
    381,686,188.96x = 572,529,195.96 × 109,056,959.20
  4. Step 4: Simplify right side
    381,686,188.96x = 62,438,293,164,618,528
  5. Step 5: Solve for x
    x = 62,438,293,164,618,528/381,686,188.96
  6. Step 6: Final answer
    x = 163,585,413.80

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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.