Home / 72,758,876.40-109,153,477.80-24,251,799.60

Finding the Fourth Proportional to 72,758,876.40, 109,153,477.80 and 24,251,799.60

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Solution

The fourth proportional to 72,758,876.40, 109,153,477.80 and 24,251,799.60 is: 36,382,753.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,758,876.40 : 109,153,477.80 = 24,251,799.60 : x
  2. Step 2: Convert to fraction form
    72,758,876.40/109,153,477.80 = 24,251,799.60/x
  3. Step 3: Cross multiply
    72,758,876.40x = 109,153,477.80 × 24,251,799.60
  4. Step 4: Simplify right side
    72,758,876.40x = 2,647,168,269,248,649
  5. Step 5: Solve for x
    x = 2,647,168,269,248,649/72,758,876.40
  6. Step 6: Final answer
    x = 36,382,753.56

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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.