Home / 107,316,616.70-160,974,925.05-100,142,163.20

Finding the Fourth Proportional to 107,316,616.70, 160,974,925.05 and 100,142,163.20

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Solution

The fourth proportional to 107,316,616.70, 160,974,925.05 and 100,142,163.20 is: 150,213,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,316,616.70 : 160,974,925.05 = 100,142,163.20 : x
  2. Step 2: Convert to fraction form
    107,316,616.70/160,974,925.05 = 100,142,163.20/x
  3. Step 3: Cross multiply
    107,316,616.70x = 160,974,925.05 × 100,142,163.20
  4. Step 4: Simplify right side
    107,316,616.70x = 16,120,377,215,464,870
  5. Step 5: Solve for x
    x = 16,120,377,215,464,870/107,316,616.70
  6. Step 6: Final answer
    x = 150,213,244.80

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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.