Home / 117,415,268.80-176,122,903.20-81,583,460.80

Finding the Fourth Proportional to 117,415,268.80, 176,122,903.20 and 81,583,460.80

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Solution

The fourth proportional to 117,415,268.80, 176,122,903.20 and 81,583,460.80 is: 122,375,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,415,268.80 : 176,122,903.20 = 81,583,460.80 : x
  2. Step 2: Convert to fraction form
    117,415,268.80/176,122,903.20 = 81,583,460.80/x
  3. Step 3: Cross multiply
    117,415,268.80x = 176,122,903.20 × 81,583,460.80
  4. Step 4: Simplify right side
    117,415,268.80x = 14,368,715,969,199,394
  5. Step 5: Solve for x
    x = 14,368,715,969,199,394/117,415,268.80
  6. Step 6: Final answer
    x = 122,375,191.20

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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.