Home / 201,706,542.28-278,365,371.78-123,365,490.04

Finding the Fourth Proportional to 201,706,542.28, 278,365,371.78 and 123,365,490.04

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Solution

The fourth proportional to 201,706,542.28, 278,365,371.78 and 123,365,490.04 is: 170,250,702.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,706,542.28 : 278,365,371.78 = 123,365,490.04 : x
  2. Step 2: Convert to fraction form
    201,706,542.28/278,365,371.78 = 123,365,490.04/x
  3. Step 3: Cross multiply
    201,706,542.28x = 278,365,371.78 × 123,365,490.04
  4. Step 4: Simplify right side
    201,706,542.28x = 34,340,680,499,806,484
  5. Step 5: Solve for x
    x = 34,340,680,499,806,484/201,706,542.28
  6. Step 6: Final answer
    x = 170,250,702.39

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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.