Home / 92,740,429.45-139,777,248.55-79,941,065.41

Finding the Fourth Proportional to 92,740,429.45, 139,777,248.55 and 79,941,065.41

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Solution

The fourth proportional to 92,740,429.45, 139,777,248.55 and 79,941,065.41 is: 120,486,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,740,429.45 : 139,777,248.55 = 79,941,065.41 : x
  2. Step 2: Convert to fraction form
    92,740,429.45/139,777,248.55 = 79,941,065.41/x
  3. Step 3: Cross multiply
    92,740,429.45x = 139,777,248.55 × 79,941,065.41
  4. Step 4: Simplify right side
    92,740,429.45x = 11,173,942,169,165,378
  5. Step 5: Solve for x
    x = 11,173,942,169,165,378/92,740,429.45
  6. Step 6: Final answer
    x = 120,486,202.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.