Home / 178,848,000.70-268,272,001.05-124,428,442.30

Finding the Fourth Proportional to 178,848,000.70, 268,272,001.05 and 124,428,442.30

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Solution

The fourth proportional to 178,848,000.70, 268,272,001.05 and 124,428,442.30 is: 186,642,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,848,000.70 : 268,272,001.05 = 124,428,442.30 : x
  2. Step 2: Convert to fraction form
    178,848,000.70/268,272,001.05 = 124,428,442.30/x
  3. Step 3: Cross multiply
    178,848,000.70x = 268,272,001.05 × 124,428,442.30
  4. Step 4: Simplify right side
    178,848,000.70x = 33,380,667,203,355,464
  5. Step 5: Solve for x
    x = 33,380,667,203,355,464/178,848,000.70
  6. Step 6: Final answer
    x = 186,642,663.45

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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.