Home / 135,003,966.30-186,295,800.96-79,251,650.10

Finding the Fourth Proportional to 135,003,966.30, 186,295,800.96 and 79,251,650.10

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Solution

The fourth proportional to 135,003,966.30, 186,295,800.96 and 79,251,650.10 is: 109,361,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003,966.30 : 186,295,800.96 = 79,251,650.10 : x
  2. Step 2: Convert to fraction form
    135,003,966.30/186,295,800.96 = 79,251,650.10/x
  3. Step 3: Cross multiply
    135,003,966.30x = 186,295,800.96 × 79,251,650.10
  4. Step 4: Simplify right side
    135,003,966.30x = 14,764,249,632,781,164
  5. Step 5: Solve for x
    x = 14,764,249,632,781,164/135,003,966.30
  6. Step 6: Final answer
    x = 109,361,599.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.