Home / 117,454,424.40-176,181,636.60-115,438,885.20

Finding the Fourth Proportional to 117,454,424.40, 176,181,636.60 and 115,438,885.20

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Solution

The fourth proportional to 117,454,424.40, 176,181,636.60 and 115,438,885.20 is: 173,158,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454,424.40 : 176,181,636.60 = 115,438,885.20 : x
  2. Step 2: Convert to fraction form
    117,454,424.40/176,181,636.60 = 115,438,885.20/x
  3. Step 3: Cross multiply
    117,454,424.40x = 176,181,636.60 × 115,438,885.20
  4. Step 4: Simplify right side
    117,454,424.40x = 20,338,211,721,815,520
  5. Step 5: Solve for x
    x = 20,338,211,721,815,520/117,454,424.40
  6. Step 6: Final answer
    x = 173,158,327.80

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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.