Home / 178,848,005.20-268,272,007.80-124,428,446.80

Finding the Fourth Proportional to 178,848,005.20, 268,272,007.80 and 124,428,446.80

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Solution

The fourth proportional to 178,848,005.20, 268,272,007.80 and 124,428,446.80 is: 186,642,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,848,005.20 : 268,272,007.80 = 124,428,446.80 : x
  2. Step 2: Convert to fraction form
    178,848,005.20/268,272,007.80 = 124,428,446.80/x
  3. Step 3: Cross multiply
    178,848,005.20x = 268,272,007.80 × 124,428,446.80
  4. Step 4: Simplify right side
    178,848,005.20x = 33,380,669,250,471,484
  5. Step 5: Solve for x
    x = 33,380,669,250,471,484/178,848,005.20
  6. Step 6: Final answer
    x = 186,642,670.20

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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.