Home / 40,212,189.48-55,490,474.88-22,569,452.58

Finding the Fourth Proportional to 40,212,189.48, 55,490,474.88 and 22,569,452.58

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Solution

The fourth proportional to 40,212,189.48, 55,490,474.88 and 22,569,452.58 is: 31,144,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212,189.48 : 55,490,474.88 = 22,569,452.58 : x
  2. Step 2: Convert to fraction form
    40,212,189.48/55,490,474.88 = 22,569,452.58/x
  3. Step 3: Cross multiply
    40,212,189.48x = 55,490,474.88 × 22,569,452.58
  4. Step 4: Simplify right side
    40,212,189.48x = 1,252,389,641,445,841.25
  5. Step 5: Solve for x
    x = 1,252,389,641,445,841.25/40,212,189.48
  6. Step 6: Final answer
    x = 31,144,527.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.