Home / 86,976,337.20-130,376,032.20-51,056,055.60

Finding the Fourth Proportional to 86,976,337.20, 130,376,032.20 and 51,056,055.60

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Solution

The fourth proportional to 86,976,337.20, 130,376,032.20 and 51,056,055.60 is: 76,532,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976,337.20 : 130,376,032.20 = 51,056,055.60 : x
  2. Step 2: Convert to fraction form
    86,976,337.20/130,376,032.20 = 51,056,055.60/x
  3. Step 3: Cross multiply
    86,976,337.20x = 130,376,032.20 × 51,056,055.60
  4. Step 4: Simplify right side
    86,976,337.20x = 6,656,485,948,910,591
  5. Step 5: Solve for x
    x = 6,656,485,948,910,591/86,976,337.20
  6. Step 6: Final answer
    x = 76,532,148.43

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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.