Home / 140,915,727.70-211,373,591.55-87,168,015.70

Finding the Fourth Proportional to 140,915,727.70, 211,373,591.55 and 87,168,015.70

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Solution

The fourth proportional to 140,915,727.70, 211,373,591.55 and 87,168,015.70 is: 130,752,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,915,727.70 : 211,373,591.55 = 87,168,015.70 : x
  2. Step 2: Convert to fraction form
    140,915,727.70/211,373,591.55 = 87,168,015.70/x
  3. Step 3: Cross multiply
    140,915,727.70x = 211,373,591.55 × 87,168,015.70
  4. Step 4: Simplify right side
    140,915,727.70x = 18,425,016,546,795,788
  5. Step 5: Solve for x
    x = 18,425,016,546,795,788/140,915,727.70
  6. Step 6: Final answer
    x = 130,752,023.55

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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.