Home / 82,811,064.40-124,216,596.60-28,285,217.80

Finding the Fourth Proportional to 82,811,064.40, 124,216,596.60 and 28,285,217.80

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Solution

The fourth proportional to 82,811,064.40, 124,216,596.60 and 28,285,217.80 is: 42,427,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,064.40 : 124,216,596.60 = 28,285,217.80 : x
  2. Step 2: Convert to fraction form
    82,811,064.40/124,216,596.60 = 28,285,217.80/x
  3. Step 3: Cross multiply
    82,811,064.40x = 124,216,596.60 × 28,285,217.80
  4. Step 4: Simplify right side
    82,811,064.40x = 3,513,493,489,205,739.50
  5. Step 5: Solve for x
    x = 3,513,493,489,205,739.50/82,811,064.40
  6. Step 6: Final answer
    x = 42,427,826.70

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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.