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Finding the Fourth Proportional to 179,229,121.20, 268,843,681.80 and 179,229,121.20

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Solution

The fourth proportional to 179,229,121.20, 268,843,681.80 and 179,229,121.20 is: 268,843,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,229,121.20 : 268,843,681.80 = 179,229,121.20 : x
  2. Step 2: Convert to fraction form
    179,229,121.20/268,843,681.80 = 179,229,121.20/x
  3. Step 3: Cross multiply
    179,229,121.20x = 268,843,681.80 × 179,229,121.20
  4. Step 4: Simplify right side
    179,229,121.20x = 48,184,616,829,186,432
  5. Step 5: Solve for x
    x = 48,184,616,829,186,432/179,229,121.20
  6. Step 6: Final answer
    x = 268,843,681.80

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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.