Home / 121,393,811.70-182,090,717.55-39,520,404.90

Finding the Fourth Proportional to 121,393,811.70, 182,090,717.55 and 39,520,404.90

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Solution

The fourth proportional to 121,393,811.70, 182,090,717.55 and 39,520,404.90 is: 59,280,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,393,811.70 : 182,090,717.55 = 39,520,404.90 : x
  2. Step 2: Convert to fraction form
    121,393,811.70/182,090,717.55 = 39,520,404.90/x
  3. Step 3: Cross multiply
    121,393,811.70x = 182,090,717.55 × 39,520,404.90
  4. Step 4: Simplify right side
    121,393,811.70x = 7,196,298,886,107,536
  5. Step 5: Solve for x
    x = 7,196,298,886,107,536/121,393,811.70
  6. Step 6: Final answer
    x = 59,280,607.35

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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.