Home / 54,355,149.80-75,007,857.78-29,575,438.64

Finding the Fourth Proportional to 54,355,149.80, 75,007,857.78 and 29,575,438.64

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Solution

The fourth proportional to 54,355,149.80, 75,007,857.78 and 29,575,438.64 is: 40,812,881.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355,149.80 : 75,007,857.78 = 29,575,438.64 : x
  2. Step 2: Convert to fraction form
    54,355,149.80/75,007,857.78 = 29,575,438.64/x
  3. Step 3: Cross multiply
    54,355,149.80x = 75,007,857.78 × 29,575,438.64
  4. Step 4: Simplify right side
    54,355,149.80x = 2,218,390,295,290,236.75
  5. Step 5: Solve for x
    x = 2,218,390,295,290,236.75/54,355,149.80
  6. Step 6: Final answer
    x = 40,812,881.64

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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.