Home / 160,607,841.10-221,638,049.14-90,993,072.30

Finding the Fourth Proportional to 160,607,841.10, 221,638,049.14 and 90,993,072.30

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Solution

The fourth proportional to 160,607,841.10, 221,638,049.14 and 90,993,072.30 is: 125,570,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,607,841.10 : 221,638,049.14 = 90,993,072.30 : x
  2. Step 2: Convert to fraction form
    160,607,841.10/221,638,049.14 = 90,993,072.30/x
  3. Step 3: Cross multiply
    160,607,841.10x = 221,638,049.14 × 90,993,072.30
  4. Step 4: Simplify right side
    160,607,841.10x = 20,167,527,029,826,972
  5. Step 5: Solve for x
    x = 20,167,527,029,826,972/160,607,841.10
  6. Step 6: Final answer
    x = 125,570,002.63

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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.