Home / 177,921,142.20-266,433,815.70-117,007,068.60

Finding the Fourth Proportional to 177,921,142.20, 266,433,815.70 and 117,007,068.60

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Solution

The fourth proportional to 177,921,142.20, 266,433,815.70 and 117,007,068.60 is: 175,216,050.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,921,142.20 : 266,433,815.70 = 117,007,068.60 : x
  2. Step 2: Convert to fraction form
    177,921,142.20/266,433,815.70 = 117,007,068.60/x
  3. Step 3: Cross multiply
    177,921,142.20x = 266,433,815.70 × 117,007,068.60
  4. Step 4: Simplify right side
    177,921,142.20x = 31,174,639,750,969,656
  5. Step 5: Solve for x
    x = 31,174,639,750,969,656/177,921,142.20
  6. Step 6: Final answer
    x = 175,216,050.02

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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.