Home / 68,829,866.28-103,244,338.80-27,888,701.40

Finding the Fourth Proportional to 68,829,866.28, 103,244,338.80 and 27,888,701.40

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Solution

The fourth proportional to 68,829,866.28, 103,244,338.80 and 27,888,701.40 is: 41,832,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,829,866.28 : 103,244,338.80 = 27,888,701.40 : x
  2. Step 2: Convert to fraction form
    68,829,866.28/103,244,338.80 = 27,888,701.40/x
  3. Step 3: Cross multiply
    68,829,866.28x = 103,244,338.80 × 27,888,701.40
  4. Step 4: Simplify right side
    68,829,866.28x = 2,879,350,536,033,634
  5. Step 5: Solve for x
    x = 2,879,350,536,033,634/68,829,866.28
  6. Step 6: Final answer
    x = 41,832,865.46

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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.