Home / 72,813,150.99-100,482,144.50-39,322,627.13

Finding the Fourth Proportional to 72,813,150.99, 100,482,144.50 and 39,322,627.13

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Solution

The fourth proportional to 72,813,150.99, 100,482,144.50 and 39,322,627.13 is: 54,265,223.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,150.99 : 100,482,144.50 = 39,322,627.13 : x
  2. Step 2: Convert to fraction form
    72,813,150.99/100,482,144.50 = 39,322,627.13/x
  3. Step 3: Cross multiply
    72,813,150.99x = 100,482,144.50 × 39,322,627.13
  4. Step 4: Simplify right side
    72,813,150.99x = 3,951,221,901,745,792
  5. Step 5: Solve for x
    x = 3,951,221,901,745,792/72,813,150.99
  6. Step 6: Final answer
    x = 54,265,223.36

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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.