Home / 113,486,408.80-170,229,613.20-77,654,600.80

Finding the Fourth Proportional to 113,486,408.80, 170,229,613.20 and 77,654,600.80

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Solution

The fourth proportional to 113,486,408.80, 170,229,613.20 and 77,654,600.80 is: 116,481,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,486,408.80 : 170,229,613.20 = 77,654,600.80 : x
  2. Step 2: Convert to fraction form
    113,486,408.80/170,229,613.20 = 77,654,600.80/x
  3. Step 3: Cross multiply
    113,486,408.80x = 170,229,613.20 × 77,654,600.80
  4. Step 4: Simplify right side
    113,486,408.80x = 13,219,112,657,384,410
  5. Step 5: Solve for x
    x = 13,219,112,657,384,410/113,486,408.80
  6. Step 6: Final answer
    x = 116,481,901.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.