Home / 142,848,002.70-214,272,004.05-74,711,580.30

Finding the Fourth Proportional to 142,848,002.70, 214,272,004.05 and 74,711,580.30

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Solution

The fourth proportional to 142,848,002.70, 214,272,004.05 and 74,711,580.30 is: 112,067,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848,002.70 : 214,272,004.05 = 74,711,580.30 : x
  2. Step 2: Convert to fraction form
    142,848,002.70/214,272,004.05 = 74,711,580.30/x
  3. Step 3: Cross multiply
    142,848,002.70x = 214,272,004.05 × 74,711,580.30
  4. Step 4: Simplify right side
    142,848,002.70x = 16,008,600,036,623,500
  5. Step 5: Solve for x
    x = 16,008,600,036,623,500/142,848,002.70
  6. Step 6: Final answer
    x = 112,067,370.45

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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.