Home / 85,151,452.86-127,260,654.57-62,170,838.38

Finding the Fourth Proportional to 85,151,452.86, 127,260,654.57 and 62,170,838.38

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Solution

The fourth proportional to 85,151,452.86, 127,260,654.57 and 62,170,838.38 is: 92,915,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,151,452.86 : 127,260,654.57 = 62,170,838.38 : x
  2. Step 2: Convert to fraction form
    85,151,452.86/127,260,654.57 = 62,170,838.38/x
  3. Step 3: Cross multiply
    85,151,452.86x = 127,260,654.57 × 62,170,838.38
  4. Step 4: Simplify right side
    85,151,452.86x = 7,911,901,587,404,478
  5. Step 5: Solve for x
    x = 7,911,901,587,404,478/85,151,452.86
  6. Step 6: Final answer
    x = 92,915,638.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.