Home / 55,007,632-75,912,894.12-30,561,346

Finding the Fourth Proportional to 55,007,632, 75,912,894.12 and 30,561,346

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Solution

The fourth proportional to 55,007,632, 75,912,894.12 and 30,561,346 is: 42,175,969.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,007,632 : 75,912,894.12 = 30,561,346 : x
  2. Step 2: Convert to fraction form
    55,007,632/75,912,894.12 = 30,561,346/x
  3. Step 3: Cross multiply
    55,007,632x = 75,912,894.12 × 30,561,346
  4. Step 4: Simplify right side
    55,007,632x = 2,320,000,223,062,685.50
  5. Step 5: Solve for x
    x = 2,320,000,223,062,685.50/55,007,632
  6. Step 6: Final answer
    x = 42,175,969.75

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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.