Home / 177,147,250.80-265,720,876.20-172,364,281.80

Finding the Fourth Proportional to 177,147,250.80, 265,720,876.20 and 172,364,281.80

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Solution

The fourth proportional to 177,147,250.80, 265,720,876.20 and 172,364,281.80 is: 258,546,422.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,250.80 : 265,720,876.20 = 172,364,281.80 : x
  2. Step 2: Convert to fraction form
    177,147,250.80/265,720,876.20 = 172,364,281.80/x
  3. Step 3: Cross multiply
    177,147,250.80x = 265,720,876.20 × 172,364,281.80
  4. Step 4: Simplify right side
    177,147,250.80x = 45,800,787,985,479,712
  5. Step 5: Solve for x
    x = 45,800,787,985,479,712/177,147,250.80
  6. Step 6: Final answer
    x = 258,546,422.70

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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.