Home / 80,448,516.96-120,125,686.58-75,902,038.80

Finding the Fourth Proportional to 80,448,516.96, 120,125,686.58 and 75,902,038.80

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Solution

The fourth proportional to 80,448,516.96, 120,125,686.58 and 75,902,038.80 is: 113,336,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448,516.96 : 120,125,686.58 = 75,902,038.80 : x
  2. Step 2: Convert to fraction form
    80,448,516.96/120,125,686.58 = 75,902,038.80/x
  3. Step 3: Cross multiply
    80,448,516.96x = 120,125,686.58 × 75,902,038.80
  4. Step 4: Simplify right side
    80,448,516.96x = 9,117,784,523,292,288
  5. Step 5: Solve for x
    x = 9,117,784,523,292,288/80,448,516.96
  6. Step 6: Final answer
    x = 113,336,887.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.