Home / 102,944,748.26-142,063,236.30-55,901,401.50

Finding the Fourth Proportional to 102,944,748.26, 142,063,236.30 and 55,901,401.50

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Solution

The fourth proportional to 102,944,748.26, 142,063,236.30 and 55,901,401.50 is: 77,143,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,944,748.26 : 142,063,236.30 = 55,901,401.50 : x
  2. Step 2: Convert to fraction form
    102,944,748.26/142,063,236.30 = 55,901,401.50/x
  3. Step 3: Cross multiply
    102,944,748.26x = 142,063,236.30 × 55,901,401.50
  4. Step 4: Simplify right side
    102,944,748.26x = 7,941,534,010,795,675
  5. Step 5: Solve for x
    x = 7,941,534,010,795,675/102,944,748.26
  6. Step 6: Final answer
    x = 77,143,653.71

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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.