Home / 82,829,289.60-124,243,934.40-82,325,404.80

Finding the Fourth Proportional to 82,829,289.60, 124,243,934.40 and 82,325,404.80

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Solution

The fourth proportional to 82,829,289.60, 124,243,934.40 and 82,325,404.80 is: 123,488,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,829,289.60 : 124,243,934.40 = 82,325,404.80 : x
  2. Step 2: Convert to fraction form
    82,829,289.60/124,243,934.40 = 82,325,404.80/x
  3. Step 3: Cross multiply
    82,829,289.60x = 124,243,934.40 × 82,325,404.80
  4. Step 4: Simplify right side
    82,829,289.60x = 10,228,432,193,424,646
  5. Step 5: Solve for x
    x = 10,228,432,193,424,646/82,829,289.60
  6. Step 6: Final answer
    x = 123,488,107.20

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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.