Home / 102,311,750.71-141,189,998.79-55,902,337.39

Finding the Fourth Proportional to 102,311,750.71, 141,189,998.79 and 55,902,337.39

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Solution

The fourth proportional to 102,311,750.71, 141,189,998.79 and 55,902,337.39 is: 77,145,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,311,750.71 : 141,189,998.79 = 55,902,337.39 : x
  2. Step 2: Convert to fraction form
    102,311,750.71/141,189,998.79 = 55,902,337.39/x
  3. Step 3: Cross multiply
    102,311,750.71x = 141,189,998.79 × 55,902,337.39
  4. Step 4: Simplify right side
    102,311,750.71x = 7,892,850,948,452,271
  5. Step 5: Solve for x
    x = 7,892,850,948,452,271/102,311,750.71
  6. Step 6: Final answer
    x = 77,145,106.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.