Home / 117,512,010.40-176,268,015.60-115,496,471.20

Finding the Fourth Proportional to 117,512,010.40, 176,268,015.60 and 115,496,471.20

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Solution

The fourth proportional to 117,512,010.40, 176,268,015.60 and 115,496,471.20 is: 173,244,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512,010.40 : 176,268,015.60 = 115,496,471.20 : x
  2. Step 2: Convert to fraction form
    117,512,010.40/176,268,015.60 = 115,496,471.20/x
  3. Step 3: Cross multiply
    117,512,010.40x = 176,268,015.60 × 115,496,471.20
  4. Step 4: Simplify right side
    117,512,010.40x = 20,358,333,787,226,552
  5. Step 5: Solve for x
    x = 20,358,333,787,226,552/117,512,010.40
  6. Step 6: Final answer
    x = 173,244,706.80

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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.