Home / 374,304,047.20-561,456,070.80-131,991,445.60

Finding the Fourth Proportional to 374,304,047.20, 561,456,070.80 and 131,991,445.60

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Solution

The fourth proportional to 374,304,047.20, 561,456,070.80 and 131,991,445.60 is: 197,987,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,304,047.20 : 561,456,070.80 = 131,991,445.60 : x
  2. Step 2: Convert to fraction form
    374,304,047.20/561,456,070.80 = 131,991,445.60/x
  3. Step 3: Cross multiply
    374,304,047.20x = 561,456,070.80 × 131,991,445.60
  4. Step 4: Simplify right side
    374,304,047.20x = 74,107,398,425,787,936
  5. Step 5: Solve for x
    x = 74,107,398,425,787,936/374,304,047.20
  6. Step 6: Final answer
    x = 197,987,168.40

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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.