Home / 117,504,020.40-176,256,030.60-115,115,233.20

Finding the Fourth Proportional to 117,504,020.40, 176,256,030.60 and 115,115,233.20

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Solution

The fourth proportional to 117,504,020.40, 176,256,030.60 and 115,115,233.20 is: 172,672,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,504,020.40 : 176,256,030.60 = 115,115,233.20 : x
  2. Step 2: Convert to fraction form
    117,504,020.40/176,256,030.60 = 115,115,233.20/x
  3. Step 3: Cross multiply
    117,504,020.40x = 176,256,030.60 × 115,115,233.20
  4. Step 4: Simplify right side
    117,504,020.40x = 20,289,754,065,425,336
  5. Step 5: Solve for x
    x = 20,289,754,065,425,336/117,504,020.40
  6. Step 6: Final answer
    x = 172,672,849.80

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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.