Home / 185,813,658.60-278,720,487.90-64,645,110.60

Finding the Fourth Proportional to 185,813,658.60, 278,720,487.90 and 64,645,110.60

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Solution

The fourth proportional to 185,813,658.60, 278,720,487.90 and 64,645,110.60 is: 96,967,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,813,658.60 : 278,720,487.90 = 64,645,110.60 : x
  2. Step 2: Convert to fraction form
    185,813,658.60/278,720,487.90 = 64,645,110.60/x
  3. Step 3: Cross multiply
    185,813,658.60x = 278,720,487.90 × 64,645,110.60
  4. Step 4: Simplify right side
    185,813,658.60x = 18,017,916,766,781,460
  5. Step 5: Solve for x
    x = 18,017,916,766,781,460/185,813,658.60
  6. Step 6: Final answer
    x = 96,967,665.90

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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.