Home / 220,887,006.40-331,330,509.60-75,484,748.80

Finding the Fourth Proportional to 220,887,006.40, 331,330,509.60 and 75,484,748.80

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Solution

The fourth proportional to 220,887,006.40, 331,330,509.60 and 75,484,748.80 is: 113,227,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,887,006.40 : 331,330,509.60 = 75,484,748.80 : x
  2. Step 2: Convert to fraction form
    220,887,006.40/331,330,509.60 = 75,484,748.80/x
  3. Step 3: Cross multiply
    220,887,006.40x = 331,330,509.60 × 75,484,748.80
  4. Step 4: Simplify right side
    220,887,006.40x = 25,010,400,286,931,988
  5. Step 5: Solve for x
    x = 25,010,400,286,931,988/220,887,006.40
  6. Step 6: Final answer
    x = 113,227,123.20

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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.