Home / 142,848,000.70-214,272,001.05-74,711,578.30

Finding the Fourth Proportional to 142,848,000.70, 214,272,001.05 and 74,711,578.30

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Solution

The fourth proportional to 142,848,000.70, 214,272,001.05 and 74,711,578.30 is: 112,067,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848,000.70 : 214,272,001.05 = 74,711,578.30 : x
  2. Step 2: Convert to fraction form
    142,848,000.70/214,272,001.05 = 74,711,578.30/x
  3. Step 3: Cross multiply
    142,848,000.70x = 214,272,001.05 × 74,711,578.30
  4. Step 4: Simplify right side
    142,848,000.70x = 16,008,599,383,944,758
  5. Step 5: Solve for x
    x = 16,008,599,383,944,758/142,848,000.70
  6. Step 6: Final answer
    x = 112,067,367.45

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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.