Home / 92,740,428.45-139,777,247.05-79,941,064.41

Finding the Fourth Proportional to 92,740,428.45, 139,777,247.05 and 79,941,064.41

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Solution

The fourth proportional to 92,740,428.45, 139,777,247.05 and 79,941,064.41 is: 120,486,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,740,428.45 : 139,777,247.05 = 79,941,064.41 : x
  2. Step 2: Convert to fraction form
    92,740,428.45/139,777,247.05 = 79,941,064.41/x
  3. Step 3: Cross multiply
    92,740,428.45x = 139,777,247.05 × 79,941,064.41
  4. Step 4: Simplify right side
    92,740,428.45x = 11,173,941,909,276,680
  5. Step 5: Solve for x
    x = 11,173,941,909,276,680/92,740,428.45
  6. Step 6: Final answer
    x = 120,486,201.07

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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.