Home / 177,644,115.40-266,914,070.70-112,978,899.40

Finding the Fourth Proportional to 177,644,115.40, 266,914,070.70 and 112,978,899.40

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Solution

The fourth proportional to 177,644,115.40, 266,914,070.70 and 112,978,899.40 is: 169,753,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,644,115.40 : 266,914,070.70 = 112,978,899.40 : x
  2. Step 2: Convert to fraction form
    177,644,115.40/266,914,070.70 = 112,978,899.40/x
  3. Step 3: Cross multiply
    177,644,115.40x = 266,914,070.70 × 112,978,899.40
  4. Step 4: Simplify right side
    177,644,115.40x = 30,155,657,942,059,788
  5. Step 5: Solve for x
    x = 30,155,657,942,059,788/177,644,115.40
  6. Step 6: Final answer
    x = 169,753,205.02

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1.5x scale

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.