Home / 177,148,641.80-265,722,962.70-80,107,515.20

Finding the Fourth Proportional to 177,148,641.80, 265,722,962.70 and 80,107,515.20

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Solution

The fourth proportional to 177,148,641.80, 265,722,962.70 and 80,107,515.20 is: 120,161,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,148,641.80 : 265,722,962.70 = 80,107,515.20 : x
  2. Step 2: Convert to fraction form
    177,148,641.80/265,722,962.70 = 80,107,515.20/x
  3. Step 3: Cross multiply
    177,148,641.80x = 265,722,962.70 × 80,107,515.20
  4. Step 4: Simplify right side
    177,148,641.80x = 21,286,406,273,479,284
  5. Step 5: Solve for x
    x = 21,286,406,273,479,284/177,148,641.80
  6. Step 6: Final answer
    x = 120,161,272.80

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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.