Home / 72,812,159.28-109,234,529.64-27,374,347.44

Finding the Fourth Proportional to 72,812,159.28, 109,234,529.64 and 27,374,347.44

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Solution

The fourth proportional to 72,812,159.28, 109,234,529.64 and 27,374,347.44 is: 41,067,645.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,812,159.28 : 109,234,529.64 = 27,374,347.44 : x
  2. Step 2: Convert to fraction form
    72,812,159.28/109,234,529.64 = 27,374,347.44/x
  3. Step 3: Cross multiply
    72,812,159.28x = 109,234,529.64 × 27,374,347.44
  4. Step 4: Simplify right side
    72,812,159.28x = 2,990,223,966,810,338.50
  5. Step 5: Solve for x
    x = 2,990,223,966,810,338.50/72,812,159.28
  6. Step 6: Final answer
    x = 41,067,645.79

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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.