Home / 71,520,009.60-107,280,014.40-26,083,286.40

Finding the Fourth Proportional to 71,520,009.60, 107,280,014.40 and 26,083,286.40

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Solution

The fourth proportional to 71,520,009.60, 107,280,014.40 and 26,083,286.40 is: 39,124,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,520,009.60 : 107,280,014.40 = 26,083,286.40 : x
  2. Step 2: Convert to fraction form
    71,520,009.60/107,280,014.40 = 26,083,286.40/x
  3. Step 3: Cross multiply
    71,520,009.60x = 107,280,014.40 × 26,083,286.40
  4. Step 4: Simplify right side
    71,520,009.60x = 2,798,215,340,591,324
  5. Step 5: Solve for x
    x = 2,798,215,340,591,324/71,520,009.60
  6. Step 6: Final answer
    x = 39,124,929.60

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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.