Home / 177,921,155.20-266,433,835.20-117,007,081.60

Finding the Fourth Proportional to 177,921,155.20, 266,433,835.20 and 117,007,081.60

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Solution

The fourth proportional to 177,921,155.20, 266,433,835.20 and 117,007,081.60 is: 175,216,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,921,155.20 : 266,433,835.20 = 117,007,081.60 : x
  2. Step 2: Convert to fraction form
    177,921,155.20/266,433,835.20 = 117,007,081.60/x
  3. Step 3: Cross multiply
    177,921,155.20x = 266,433,835.20 × 117,007,081.60
  4. Step 4: Simplify right side
    177,921,155.20x = 31,174,645,496,247,348
  5. Step 5: Solve for x
    x = 31,174,645,496,247,348/177,921,155.20
  6. Step 6: Final answer
    x = 175,216,069.51

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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.