Home / 117,512,021.40-176,268,032.10-115,496,482.20

Finding the Fourth Proportional to 117,512,021.40, 176,268,032.10 and 115,496,482.20

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Solution

The fourth proportional to 117,512,021.40, 176,268,032.10 and 115,496,482.20 is: 173,244,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,512,021.40 : 176,268,032.10 = 115,496,482.20 : x
  2. Step 2: Convert to fraction form
    117,512,021.40/176,268,032.10 = 115,496,482.20/x
  3. Step 3: Cross multiply
    117,512,021.40x = 176,268,032.10 × 115,496,482.20
  4. Step 4: Simplify right side
    117,512,021.40x = 20,358,337,631,866,680
  5. Step 5: Solve for x
    x = 20,358,337,631,866,680/117,512,021.40
  6. Step 6: Final answer
    x = 173,244,723.30

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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.