Home / 83,827,305.60-115,681,505.60-47,157,876.64

Finding the Fourth Proportional to 83,827,305.60, 115,681,505.60 and 47,157,876.64

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Solution

The fourth proportional to 83,827,305.60, 115,681,505.60 and 47,157,876.64 is: 65,077,770.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827,305.60 : 115,681,505.60 = 47,157,876.64 : x
  2. Step 2: Convert to fraction form
    83,827,305.60/115,681,505.60 = 47,157,876.64/x
  3. Step 3: Cross multiply
    83,827,305.60x = 115,681,505.60 × 47,157,876.64
  4. Step 4: Simplify right side
    83,827,305.60x = 5,455,294,170,614,269
  5. Step 5: Solve for x
    x = 5,455,294,170,614,269/83,827,305.60
  6. Step 6: Final answer
    x = 65,077,770.68

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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.