Home / 145,516,781.30-218,305,498.35-48,502,627.70

Finding the Fourth Proportional to 145,516,781.30, 218,305,498.35 and 48,502,627.70

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Solution

The fourth proportional to 145,516,781.30, 218,305,498.35 and 48,502,627.70 is: 72,764,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,516,781.30 : 218,305,498.35 = 48,502,627.70 : x
  2. Step 2: Convert to fraction form
    145,516,781.30/218,305,498.35 = 48,502,627.70/x
  3. Step 3: Cross multiply
    145,516,781.30x = 218,305,498.35 × 48,502,627.70
  4. Step 4: Simplify right side
    145,516,781.30x = 10,588,390,311,333,014
  5. Step 5: Solve for x
    x = 10,588,390,311,333,014/145,516,781.30
  6. Step 6: Final answer
    x = 72,764,049.73

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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.