Home / 177,147,319.60-265,720,979.40-99,663,221.80

Finding the Fourth Proportional to 177,147,319.60, 265,720,979.40 and 99,663,221.80

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Solution

The fourth proportional to 177,147,319.60, 265,720,979.40 and 99,663,221.80 is: 149,494,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,319.60 : 265,720,979.40 = 99,663,221.80 : x
  2. Step 2: Convert to fraction form
    177,147,319.60/265,720,979.40 = 99,663,221.80/x
  3. Step 3: Cross multiply
    177,147,319.60x = 265,720,979.40 × 99,663,221.80
  4. Step 4: Simplify right side
    177,147,319.60x = 26,482,608,906,855,432
  5. Step 5: Solve for x
    x = 26,482,608,906,855,432/177,147,319.60
  6. Step 6: Final answer
    x = 149,494,832.70

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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.