Home / 159,006,153.20-219,427,171.44-89,391,843.68

Finding the Fourth Proportional to 159,006,153.20, 219,427,171.44 and 89,391,843.68

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Solution

The fourth proportional to 159,006,153.20, 219,427,171.44 and 89,391,843.68 is: 123,360,002.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,006,153.20 : 219,427,171.44 = 89,391,843.68 : x
  2. Step 2: Convert to fraction form
    159,006,153.20/219,427,171.44 = 89,391,843.68/x
  3. Step 3: Cross multiply
    159,006,153.20x = 219,427,171.44 × 89,391,843.68
  4. Step 4: Simplify right side
    159,006,153.20x = 19,614,999,408,509,040
  5. Step 5: Solve for x
    x = 19,614,999,408,509,040/159,006,153.20
  6. Step 6: Final answer
    x = 123,360,002.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.