Home / 177,147,200.70-265,720,801.05-121,664,760.30

Finding the Fourth Proportional to 177,147,200.70, 265,720,801.05 and 121,664,760.30

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Solution

The fourth proportional to 177,147,200.70, 265,720,801.05 and 121,664,760.30 is: 182,497,140.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,147,200.70 : 265,720,801.05 = 121,664,760.30 : x
  2. Step 2: Convert to fraction form
    177,147,200.70/265,720,801.05 = 121,664,760.30/x
  3. Step 3: Cross multiply
    177,147,200.70x = 265,720,801.05 × 121,664,760.30
  4. Step 4: Simplify right side
    177,147,200.70x = 32,328,857,566,472,240
  5. Step 5: Solve for x
    x = 32,328,857,566,472,240/177,147,200.70
  6. Step 6: Final answer
    x = 182,497,140.45

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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.