Home / 130,289,052.42-179,798,420.39-71,555,519.88

Finding the Fourth Proportional to 130,289,052.42, 179,798,420.39 and 71,555,519.88

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Solution

The fourth proportional to 130,289,052.42, 179,798,420.39 and 71,555,519.88 is: 98,746,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289,052.42 : 179,798,420.39 = 71,555,519.88 : x
  2. Step 2: Convert to fraction form
    130,289,052.42/179,798,420.39 = 71,555,519.88/x
  3. Step 3: Cross multiply
    130,289,052.42x = 179,798,420.39 × 71,555,519.88
  4. Step 4: Simplify right side
    130,289,052.42x = 12,865,569,444,251,464
  5. Step 5: Solve for x
    x = 12,865,569,444,251,464/130,289,052.42
  6. Step 6: Final answer
    x = 98,746,358.23

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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.