Home / 374,520,001.20-561,780,001.80-132,207,399.60

Finding the Fourth Proportional to 374,520,001.20, 561,780,001.80 and 132,207,399.60

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Solution

The fourth proportional to 374,520,001.20, 561,780,001.80 and 132,207,399.60 is: 198,311,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,520,001.20 : 561,780,001.80 = 132,207,399.60 : x
  2. Step 2: Convert to fraction form
    374,520,001.20/561,780,001.80 = 132,207,399.60/x
  3. Step 3: Cross multiply
    374,520,001.20x = 561,780,001.80 × 132,207,399.60
  4. Step 4: Simplify right side
    374,520,001.20x = 74,271,473,185,261,312
  5. Step 5: Solve for x
    x = 74,271,473,185,261,312/374,520,001.20
  6. Step 6: Final answer
    x = 198,311,099.40

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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.