Home / 55,007,632.88-75,912,895.33-30,561,346.88

Finding the Fourth Proportional to 55,007,632.88, 75,912,895.33 and 30,561,346.88

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Solution

The fourth proportional to 55,007,632.88, 75,912,895.33 and 30,561,346.88 is: 42,175,970.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007,632.88 : 75,912,895.33 = 30,561,346.88 : x
  2. Step 2: Convert to fraction form
    55,007,632.88/75,912,895.33 = 30,561,346.88/x
  3. Step 3: Cross multiply
    55,007,632.88x = 75,912,895.33 × 30,561,346.88
  4. Step 4: Simplify right side
    55,007,632.88x = 2,320,000,326,389,294
  5. Step 5: Solve for x
    x = 2,320,000,326,389,294/55,007,632.88
  6. Step 6: Final answer
    x = 42,175,970.95

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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.