Home / 120,342,215.70-180,513,323.55-29,465,804.70

Finding the Fourth Proportional to 120,342,215.70, 180,513,323.55 and 29,465,804.70

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Solution

The fourth proportional to 120,342,215.70, 180,513,323.55 and 29,465,804.70 is: 44,198,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,342,215.70 : 180,513,323.55 = 29,465,804.70 : x
  2. Step 2: Convert to fraction form
    120,342,215.70/180,513,323.55 = 29,465,804.70/x
  3. Step 3: Cross multiply
    120,342,215.70x = 180,513,323.55 × 29,465,804.70
  4. Step 4: Simplify right side
    120,342,215.70x = 5,318,970,337,472,211
  5. Step 5: Solve for x
    x = 5,318,970,337,472,211/120,342,215.70
  6. Step 6: Final answer
    x = 44,198,707.05

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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.