Home / 374,304,047.70-561,456,071.55-131,991,446.10

Finding the Fourth Proportional to 374,304,047.70, 561,456,071.55 and 131,991,446.10

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Solution

The fourth proportional to 374,304,047.70, 561,456,071.55 and 131,991,446.10 is: 197,987,169.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,304,047.70 : 561,456,071.55 = 131,991,446.10 : x
  2. Step 2: Convert to fraction form
    374,304,047.70/561,456,071.55 = 131,991,446.10/x
  3. Step 3: Cross multiply
    374,304,047.70x = 561,456,071.55 × 131,991,446.10
  4. Step 4: Simplify right side
    374,304,047.70x = 74,107,398,805,509,552
  5. Step 5: Solve for x
    x = 74,107,398,805,509,552/374,304,047.70
  6. Step 6: Final answer
    x = 197,987,169.15

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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.