Home / 83,080,671.20-124,621,006.80-47,248,863.20

Finding the Fourth Proportional to 83,080,671.20, 124,621,006.80 and 47,248,863.20

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Solution

The fourth proportional to 83,080,671.20, 124,621,006.80 and 47,248,863.20 is: 70,873,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,080,671.20 : 124,621,006.80 = 47,248,863.20 : x
  2. Step 2: Convert to fraction form
    83,080,671.20/124,621,006.80 = 47,248,863.20/x
  3. Step 3: Cross multiply
    83,080,671.20x = 124,621,006.80 × 47,248,863.20
  4. Step 4: Simplify right side
    83,080,671.20x = 5,888,200,902,139,470
  5. Step 5: Solve for x
    x = 5,888,200,902,139,470/83,080,671.20
  6. Step 6: Final answer
    x = 70,873,294.80

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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.