Home / 178,896,005.20-268,344,007.80-158,488,670.80

Finding the Fourth Proportional to 178,896,005.20, 268,344,007.80 and 158,488,670.80

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Solution

The fourth proportional to 178,896,005.20, 268,344,007.80 and 158,488,670.80 is: 237,733,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,896,005.20 : 268,344,007.80 = 158,488,670.80 : x
  2. Step 2: Convert to fraction form
    178,896,005.20/268,344,007.80 = 158,488,670.80/x
  3. Step 3: Cross multiply
    178,896,005.20x = 268,344,007.80 × 158,488,670.80
  4. Step 4: Simplify right side
    178,896,005.20x = 42,529,485,113,366,840
  5. Step 5: Solve for x
    x = 42,529,485,113,366,840/178,896,005.20
  6. Step 6: Final answer
    x = 237,733,006.20

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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.