Home / 253,456,087.28-349,729,447.72-147,626,919.45

Finding the Fourth Proportional to 253,456,087.28, 349,729,447.72 and 147,626,919.45

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Solution

The fourth proportional to 253,456,087.28, 349,729,447.72 and 147,626,919.45 is: 203,701,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,456,087.28 : 349,729,447.72 = 147,626,919.45 : x
  2. Step 2: Convert to fraction form
    253,456,087.28/349,729,447.72 = 147,626,919.45/x
  3. Step 3: Cross multiply
    253,456,087.28x = 349,729,447.72 × 147,626,919.45
  4. Step 4: Simplify right side
    253,456,087.28x = 51,629,481,006,649,288
  5. Step 5: Solve for x
    x = 51,629,481,006,649,288/253,456,087.28
  6. Step 6: Final answer
    x = 203,701,878.14

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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.