Home / 91,149,456.93-125,787,091.04-53,981,851.20

Finding the Fourth Proportional to 91,149,456.93, 125,787,091.04 and 53,981,851.20

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Solution

The fourth proportional to 91,149,456.93, 125,787,091.04 and 53,981,851.20 is: 74,495,452.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149,456.93 : 125,787,091.04 = 53,981,851.20 : x
  2. Step 2: Convert to fraction form
    91,149,456.93/125,787,091.04 = 53,981,851.20/x
  3. Step 3: Cross multiply
    91,149,456.93x = 125,787,091.04 × 53,981,851.20
  4. Step 4: Simplify right side
    91,149,456.93x = 6,790,220,031,132,224
  5. Step 5: Solve for x
    x = 6,790,220,031,132,224/91,149,456.93
  6. Step 6: Final answer
    x = 74,495,452.41

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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.