Home / 178,848,001.80-268,272,002.70-124,428,443.40

Finding the Fourth Proportional to 178,848,001.80, 268,272,002.70 and 124,428,443.40

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Solution

The fourth proportional to 178,848,001.80, 268,272,002.70 and 124,428,443.40 is: 186,642,665.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,848,001.80 : 268,272,002.70 = 124,428,443.40 : x
  2. Step 2: Convert to fraction form
    178,848,001.80/268,272,002.70 = 124,428,443.40/x
  3. Step 3: Cross multiply
    178,848,001.80x = 268,272,002.70 × 124,428,443.40
  4. Step 4: Simplify right side
    178,848,001.80x = 33,380,667,703,761,596
  5. Step 5: Solve for x
    x = 33,380,667,703,761,596/178,848,001.80
  6. Step 6: Final answer
    x = 186,642,665.10

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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.