Home / 73,218,700.20-109,871,595.90-27,785,087.40

Finding the Fourth Proportional to 73,218,700.20, 109,871,595.90 and 27,785,087.40

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Solution

The fourth proportional to 73,218,700.20, 109,871,595.90 and 27,785,087.40 is: 41,694,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218,700.20 : 109,871,595.90 = 27,785,087.40 : x
  2. Step 2: Convert to fraction form
    73,218,700.20/109,871,595.90 = 27,785,087.40/x
  3. Step 3: Cross multiply
    73,218,700.20x = 109,871,595.90 × 27,785,087.40
  4. Step 4: Simplify right side
    73,218,700.20x = 3,052,791,894,858,981.50
  5. Step 5: Solve for x
    x = 3,052,791,894,858,981.50/73,218,700.20
  6. Step 6: Final answer
    x = 41,694,155.82

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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.