Home / 80,458,323.30-120,687,484.95-29,342,009.70

Finding the Fourth Proportional to 80,458,323.30, 120,687,484.95 and 29,342,009.70

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Solution

The fourth proportional to 80,458,323.30, 120,687,484.95 and 29,342,009.70 is: 44,013,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,458,323.30 : 120,687,484.95 = 29,342,009.70 : x
  2. Step 2: Convert to fraction form
    80,458,323.30/120,687,484.95 = 29,342,009.70/x
  3. Step 3: Cross multiply
    80,458,323.30x = 120,687,484.95 × 29,342,009.70
  4. Step 4: Simplify right side
    80,458,323.30x = 3,541,213,354,071,504
  5. Step 5: Solve for x
    x = 3,541,213,354,071,504/80,458,323.30
  6. Step 6: Final answer
    x = 44,013,014.55

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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.