Home / 80,858,301.60-121,287,452.40-37,811,580.60

Finding the Fourth Proportional to 80,858,301.60, 121,287,452.40 and 37,811,580.60

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Solution

The fourth proportional to 80,858,301.60, 121,287,452.40 and 37,811,580.60 is: 56,717,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,858,301.60 : 121,287,452.40 = 37,811,580.60 : x
  2. Step 2: Convert to fraction form
    80,858,301.60/121,287,452.40 = 37,811,580.60/x
  3. Step 3: Cross multiply
    80,858,301.60x = 121,287,452.40 × 37,811,580.60
  4. Step 4: Simplify right side
    80,858,301.60x = 4,586,070,282,191,264
  5. Step 5: Solve for x
    x = 4,586,070,282,191,264/80,858,301.60
  6. Step 6: Final answer
    x = 56,717,370.90

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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.