Home / 78,495,090.42-117,745,882.07-23,162,925.92

Finding the Fourth Proportional to 78,495,090.42, 117,745,882.07 and 23,162,925.92

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Solution

The fourth proportional to 78,495,090.42, 117,745,882.07 and 23,162,925.92 is: 34,745,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495,090.42 : 117,745,882.07 = 23,162,925.92 : x
  2. Step 2: Convert to fraction form
    78,495,090.42/117,745,882.07 = 23,162,925.92/x
  3. Step 3: Cross multiply
    78,495,090.42x = 117,745,882.07 × 23,162,925.92
  4. Step 4: Simplify right side
    78,495,090.42x = 2,727,339,144,061,344
  5. Step 5: Solve for x
    x = 2,727,339,144,061,344/78,495,090.42
  6. Step 6: Final answer
    x = 34,745,346.87

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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.