Home / 177,643,850.40-266,913,673.20-112,978,634.40

Finding the Fourth Proportional to 177,643,850.40, 266,913,673.20 and 112,978,634.40

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Solution

The fourth proportional to 177,643,850.40, 266,913,673.20 and 112,978,634.40 is: 169,752,807.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,643,850.40 : 266,913,673.20 = 112,978,634.40 : x
  2. Step 2: Convert to fraction form
    177,643,850.40/266,913,673.20 = 112,978,634.40/x
  3. Step 3: Cross multiply
    177,643,850.40x = 266,913,673.20 × 112,978,634.40
  4. Step 4: Simplify right side
    177,643,850.40x = 30,155,542,300,823,880
  5. Step 5: Solve for x
    x = 30,155,542,300,823,880/177,643,850.40
  6. Step 6: Final answer
    x = 169,752,807.28

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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.