Home / 161,813,753.66-223,363,705.59-106,062,766.86

Finding the Fourth Proportional to 161,813,753.66, 223,363,705.59 and 106,062,766.86

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Solution

The fourth proportional to 161,813,753.66, 223,363,705.59 and 106,062,766.86 is: 146,406,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,813,753.66 : 223,363,705.59 = 106,062,766.86 : x
  2. Step 2: Convert to fraction form
    161,813,753.66/223,363,705.59 = 106,062,766.86/x
  3. Step 3: Cross multiply
    161,813,753.66x = 223,363,705.59 × 106,062,766.86
  4. Step 4: Simplify right side
    161,813,753.66x = 23,690,572,631,801,416
  5. Step 5: Solve for x
    x = 23,690,572,631,801,416/161,813,753.66
  6. Step 6: Final answer
    x = 146,406,421.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.