Home / 82,944,074.10-124,416,111.15-82,147,811.70

Finding the Fourth Proportional to 82,944,074.10, 124,416,111.15 and 82,147,811.70

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Solution

The fourth proportional to 82,944,074.10, 124,416,111.15 and 82,147,811.70 is: 123,221,717.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,074.10 : 124,416,111.15 = 82,147,811.70 : x
  2. Step 2: Convert to fraction form
    82,944,074.10/124,416,111.15 = 82,147,811.70/x
  3. Step 3: Cross multiply
    82,944,074.10x = 124,416,111.15 × 82,147,811.70
  4. Step 4: Simplify right side
    82,944,074.10x = 10,220,511,271,196,472
  5. Step 5: Solve for x
    x = 10,220,511,271,196,472/82,944,074.10
  6. Step 6: Final answer
    x = 123,221,717.55

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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.