Home / 123,073,750.10-169,842,286.84-66,558,496

Finding the Fourth Proportional to 123,073,750.10, 169,842,286.84 and 66,558,496

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Solution

The fourth proportional to 123,073,750.10, 169,842,286.84 and 66,558,496 is: 91,851,001.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,073,750.10 : 169,842,286.84 = 66,558,496 : x
  2. Step 2: Convert to fraction form
    123,073,750.10/169,842,286.84 = 66,558,496/x
  3. Step 3: Cross multiply
    123,073,750.10x = 169,842,286.84 × 66,558,496
  4. Step 4: Simplify right side
    123,073,750.10x = 11,304,447,169,270,992
  5. Step 5: Solve for x
    x = 11,304,447,169,270,992/123,073,750.10
  6. Step 6: Final answer
    x = 91,851,001.21

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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.