Home / 80,592,671.25-120,877,196.22-39,641,118.12

Finding the Fourth Proportional to 80,592,671.25, 120,877,196.22 and 39,641,118.12

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Solution

The fourth proportional to 80,592,671.25, 120,877,196.22 and 39,641,118.12 is: 59,455,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592,671.25 : 120,877,196.22 = 39,641,118.12 : x
  2. Step 2: Convert to fraction form
    80,592,671.25/120,877,196.22 = 39,641,118.12/x
  3. Step 3: Cross multiply
    80,592,671.25x = 120,877,196.22 × 39,641,118.12
  4. Step 4: Simplify right side
    80,592,671.25x = 4,791,707,213,371,437
  5. Step 5: Solve for x
    x = 4,791,707,213,371,437/80,592,671.25
  6. Step 6: Final answer
    x = 59,455,867.87

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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.