Home / 265,767,241.20-398,650,861.80-122,440,009.20

Finding the Fourth Proportional to 265,767,241.20, 398,650,861.80 and 122,440,009.20

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Solution

The fourth proportional to 265,767,241.20, 398,650,861.80 and 122,440,009.20 is: 183,660,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,767,241.20 : 398,650,861.80 = 122,440,009.20 : x
  2. Step 2: Convert to fraction form
    265,767,241.20/398,650,861.80 = 122,440,009.20/x
  3. Step 3: Cross multiply
    265,767,241.20x = 398,650,861.80 × 122,440,009.20
  4. Step 4: Simplify right side
    265,767,241.20x = 48,810,815,186,379,928
  5. Step 5: Solve for x
    x = 48,810,815,186,379,928/265,767,241.20
  6. Step 6: Final answer
    x = 183,660,013.80

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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.