Home / 72,813,210.05-100,482,225.98-39,322,686.33

Finding the Fourth Proportional to 72,813,210.05, 100,482,225.98 and 39,322,686.33

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Solution

The fourth proportional to 72,813,210.05, 100,482,225.98 and 39,322,686.33 is: 54,265,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,210.05 : 100,482,225.98 = 39,322,686.33 : x
  2. Step 2: Convert to fraction form
    72,813,210.05/100,482,225.98 = 39,322,686.33/x
  3. Step 3: Cross multiply
    72,813,210.05x = 100,482,225.98 × 39,322,686.33
  4. Step 4: Simplify right side
    72,813,210.05x = 3,951,231,053,755,103
  5. Step 5: Solve for x
    x = 3,951,231,053,755,103/72,813,210.05
  6. Step 6: Final answer
    x = 54,265,305.03

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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.