Home / 45,315,835.43-62,486,366.73-30,605,963.39

Finding the Fourth Proportional to 45,315,835.43, 62,486,366.73 and 30,605,963.39

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Solution

The fourth proportional to 45,315,835.43, 62,486,366.73 and 30,605,963.39 is: 42,202,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315,835.43 : 62,486,366.73 = 30,605,963.39 : x
  2. Step 2: Convert to fraction form
    45,315,835.43/62,486,366.73 = 30,605,963.39/x
  3. Step 3: Cross multiply
    45,315,835.43x = 62,486,366.73 × 30,605,963.39
  4. Step 4: Simplify right side
    45,315,835.43x = 1,912,455,452,200,062.25
  5. Step 5: Solve for x
    x = 1,912,455,452,200,062.25/45,315,835.43
  6. Step 6: Final answer
    x = 42,202,806.91

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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.