Home / 54,645,057.36-75,410,252.64-31,439,718.90

Finding the Fourth Proportional to 54,645,057.36, 75,410,252.64 and 31,439,718.90

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Solution

The fourth proportional to 54,645,057.36, 75,410,252.64 and 31,439,718.90 is: 43,386,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645,057.36 : 75,410,252.64 = 31,439,718.90 : x
  2. Step 2: Convert to fraction form
    54,645,057.36/75,410,252.64 = 31,439,718.90/x
  3. Step 3: Cross multiply
    54,645,057.36x = 75,410,252.64 × 31,439,718.90
  4. Step 4: Simplify right side
    54,645,057.36x = 2,370,877,145,179,583
  5. Step 5: Solve for x
    x = 2,370,877,145,179,583/54,645,057.36
  6. Step 6: Final answer
    x = 43,386,854.36

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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.