Home / 54,487,759.68-75,191,669.28-30,040,845.12

Finding the Fourth Proportional to 54,487,759.68, 75,191,669.28 and 30,040,845.12

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Solution

The fourth proportional to 54,487,759.68, 75,191,669.28 and 30,040,845.12 is: 41,455,572.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,487,759.68 : 75,191,669.28 = 30,040,845.12 : x
  2. Step 2: Convert to fraction form
    54,487,759.68/75,191,669.28 = 30,040,845.12/x
  3. Step 3: Cross multiply
    54,487,759.68x = 75,191,669.28 × 30,040,845.12
  4. Step 4: Simplify right side
    54,487,759.68x = 2,258,821,291,154,742
  5. Step 5: Solve for x
    x = 2,258,821,291,154,742/54,487,759.68
  6. Step 6: Final answer
    x = 41,455,572.86

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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.