Home / 46,428,265.11-69,643,947.69-20,869,348.32

Finding the Fourth Proportional to 46,428,265.11, 69,643,947.69 and 20,869,348.32

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Solution

The fourth proportional to 46,428,265.11, 69,643,947.69 and 20,869,348.32 is: 31,304,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,428,265.11 : 69,643,947.69 = 20,869,348.32 : x
  2. Step 2: Convert to fraction form
    46,428,265.11/69,643,947.69 = 20,869,348.32/x
  3. Step 3: Cross multiply
    46,428,265.11x = 69,643,947.69 × 20,869,348.32
  4. Step 4: Simplify right side
    46,428,265.11x = 1,453,423,802,722,469.25
  5. Step 5: Solve for x
    x = 1,453,423,802,722,469.25/46,428,265.11
  6. Step 6: Final answer
    x = 31,304,719.21

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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.