Home / 111,520,927.20-167,281,390.80-99,085,207.80

Finding the Fourth Proportional to 111,520,927.20, 167,281,390.80 and 99,085,207.80

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Solution

The fourth proportional to 111,520,927.20, 167,281,390.80 and 99,085,207.80 is: 148,627,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,520,927.20 : 167,281,390.80 = 99,085,207.80 : x
  2. Step 2: Convert to fraction form
    111,520,927.20/167,281,390.80 = 99,085,207.80/x
  3. Step 3: Cross multiply
    111,520,927.20x = 167,281,390.80 × 99,085,207.80
  4. Step 4: Simplify right side
    111,520,927.20x = 16,575,111,368,491,008
  5. Step 5: Solve for x
    x = 16,575,111,368,491,008/111,520,927.20
  6. Step 6: Final answer
    x = 148,627,811.70

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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.