Home / 85,530,189.47-118,034,151.75-48,359,671.79

Finding the Fourth Proportional to 85,530,189.47, 118,034,151.75 and 48,359,671.79

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Solution

The fourth proportional to 85,530,189.47, 118,034,151.75 and 48,359,671.79 is: 66,737,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,530,189.47 : 118,034,151.75 = 48,359,671.79 : x
  2. Step 2: Convert to fraction form
    85,530,189.47/118,034,151.75 = 48,359,671.79/x
  3. Step 3: Cross multiply
    85,530,189.47x = 118,034,151.75 × 48,359,671.79
  4. Step 4: Simplify right side
    85,530,189.47x = 5,708,092,838,050,883
  5. Step 5: Solve for x
    x = 5,708,092,838,050,883/85,530,189.47
  6. Step 6: Final answer
    x = 66,737,755.10

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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.