Home / 38,720,101.60-58,080,152.40-25,979,903.20

Finding the Fourth Proportional to 38,720,101.60, 58,080,152.40 and 25,979,903.20

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Solution

The fourth proportional to 38,720,101.60, 58,080,152.40 and 25,979,903.20 is: 38,969,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,720,101.60 : 58,080,152.40 = 25,979,903.20 : x
  2. Step 2: Convert to fraction form
    38,720,101.60/58,080,152.40 = 25,979,903.20/x
  3. Step 3: Cross multiply
    38,720,101.60x = 58,080,152.40 × 25,979,903.20
  4. Step 4: Simplify right side
    38,720,101.60x = 1,508,916,737,193,247.50
  5. Step 5: Solve for x
    x = 1,508,916,737,193,247.50/38,720,101.60
  6. Step 6: Final answer
    x = 38,969,854.80

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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.