Home / 193,817,551.44-290,691,808.12-77,223,135.80

Finding the Fourth Proportional to 193,817,551.44, 290,691,808.12 and 77,223,135.80

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Solution

The fourth proportional to 193,817,551.44, 290,691,808.12 and 77,223,135.80 is: 115,820,950.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,817,551.44 : 290,691,808.12 = 77,223,135.80 : x
  2. Step 2: Convert to fraction form
    193,817,551.44/290,691,808.12 = 77,223,135.80/x
  3. Step 3: Cross multiply
    193,817,551.44x = 290,691,808.12 × 77,223,135.80
  4. Step 4: Simplify right side
    193,817,551.44x = 22,448,132,974,398,304
  5. Step 5: Solve for x
    x = 22,448,132,974,398,304/193,817,551.44
  6. Step 6: Final answer
    x = 115,820,950.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.