Home / 55,007,634.13-75,912,897.05-30,561,348.13

Finding the Fourth Proportional to 55,007,634.13, 75,912,897.05 and 30,561,348.13

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Solution

The fourth proportional to 55,007,634.13, 75,912,897.05 and 30,561,348.13 is: 42,175,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007,634.13 : 75,912,897.05 = 30,561,348.13 : x
  2. Step 2: Convert to fraction form
    55,007,634.13/75,912,897.05 = 30,561,348.13/x
  3. Step 3: Cross multiply
    55,007,634.13x = 75,912,897.05 × 30,561,348.13
  4. Step 4: Simplify right side
    55,007,634.13x = 2,320,000,474,301,900
  5. Step 5: Solve for x
    x = 2,320,000,474,301,900/55,007,634.13
  6. Step 6: Final answer
    x = 42,175,972.68

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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.