Home / 54,438,139.70-81,657,209.55-49,399,291.70

Finding the Fourth Proportional to 54,438,139.70, 81,657,209.55 and 49,399,291.70

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Solution

The fourth proportional to 54,438,139.70, 81,657,209.55 and 49,399,291.70 is: 74,098,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438,139.70 : 81,657,209.55 = 49,399,291.70 : x
  2. Step 2: Convert to fraction form
    54,438,139.70/81,657,209.55 = 49,399,291.70/x
  3. Step 3: Cross multiply
    54,438,139.70x = 81,657,209.55 × 49,399,291.70
  4. Step 4: Simplify right side
    54,438,139.70x = 4,033,808,313,968,476
  5. Step 5: Solve for x
    x = 4,033,808,313,968,476/54,438,139.70
  6. Step 6: Final answer
    x = 74,098,937.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.