Home / 83,079,467.20-124,619,200.80-47,247,659.20

Finding the Fourth Proportional to 83,079,467.20, 124,619,200.80 and 47,247,659.20

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Solution

The fourth proportional to 83,079,467.20, 124,619,200.80 and 47,247,659.20 is: 70,871,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,079,467.20 : 124,619,200.80 = 47,247,659.20 : x
  2. Step 2: Convert to fraction form
    83,079,467.20/124,619,200.80 = 47,247,659.20/x
  3. Step 3: Cross multiply
    83,079,467.20x = 124,619,200.80 × 47,247,659.20
  4. Step 4: Simplify right side
    83,079,467.20x = 5,887,965,529,174,768
  5. Step 5: Solve for x
    x = 5,887,965,529,174,768/83,079,467.20
  6. Step 6: Final answer
    x = 70,871,488.80

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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.