Home / 111,169,951.20-166,754,926.80-30,390,919.20

Finding the Fourth Proportional to 111,169,951.20, 166,754,926.80 and 30,390,919.20

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Solution

The fourth proportional to 111,169,951.20, 166,754,926.80 and 30,390,919.20 is: 45,586,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,169,951.20 : 166,754,926.80 = 30,390,919.20 : x
  2. Step 2: Convert to fraction form
    111,169,951.20/166,754,926.80 = 30,390,919.20/x
  3. Step 3: Cross multiply
    111,169,951.20x = 166,754,926.80 × 30,390,919.20
  4. Step 4: Simplify right side
    111,169,951.20x = 5,067,835,506,580,715
  5. Step 5: Solve for x
    x = 5,067,835,506,580,715/111,169,951.20
  6. Step 6: Final answer
    x = 45,586,378.80

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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.