Home / 82,811,065.40-124,216,598.10-28,285,218.80

Finding the Fourth Proportional to 82,811,065.40, 124,216,598.10 and 28,285,218.80

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Solution

The fourth proportional to 82,811,065.40, 124,216,598.10 and 28,285,218.80 is: 42,427,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,811,065.40 : 124,216,598.10 = 28,285,218.80 : x
  2. Step 2: Convert to fraction form
    82,811,065.40/124,216,598.10 = 28,285,218.80/x
  3. Step 3: Cross multiply
    82,811,065.40x = 124,216,598.10 × 28,285,218.80
  4. Step 4: Simplify right side
    82,811,065.40x = 3,513,493,655,850,164
  5. Step 5: Solve for x
    x = 3,513,493,655,850,164/82,811,065.40
  6. Step 6: Final answer
    x = 42,427,828.20

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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.