Home / 79,434,133.40-119,151,200.10-28,317,819.80

Finding the Fourth Proportional to 79,434,133.40, 119,151,200.10 and 28,317,819.80

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Solution

The fourth proportional to 79,434,133.40, 119,151,200.10 and 28,317,819.80 is: 42,476,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,434,133.40 : 119,151,200.10 = 28,317,819.80 : x
  2. Step 2: Convert to fraction form
    79,434,133.40/119,151,200.10 = 28,317,819.80/x
  3. Step 3: Cross multiply
    79,434,133.40x = 119,151,200.10 × 28,317,819.80
  4. Step 4: Simplify right side
    79,434,133.40x = 3,374,102,213,385,542
  5. Step 5: Solve for x
    x = 3,374,102,213,385,542/79,434,133.40
  6. Step 6: Final answer
    x = 42,476,729.70

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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.