Home / 269,513,865.74-371,930,248.60-145,754,540.30

Finding the Fourth Proportional to 269,513,865.74, 371,930,248.60 and 145,754,540.30

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Solution

The fourth proportional to 269,513,865.74, 371,930,248.60 and 145,754,540.30 is: 201,141,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,513,865.74 : 371,930,248.60 = 145,754,540.30 : x
  2. Step 2: Convert to fraction form
    269,513,865.74/371,930,248.60 = 145,754,540.30/x
  3. Step 3: Cross multiply
    269,513,865.74x = 371,930,248.60 × 145,754,540.30
  4. Step 4: Simplify right side
    269,513,865.74x = 54,210,522,408,357,728
  5. Step 5: Solve for x
    x = 54,210,522,408,357,728/269,513,865.74
  6. Step 6: Final answer
    x = 201,141,868.01

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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.