Home / 122,408,511.90-183,612,767.85-31,532,100.90

Finding the Fourth Proportional to 122,408,511.90, 183,612,767.85 and 31,532,100.90

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Solution

The fourth proportional to 122,408,511.90, 183,612,767.85 and 31,532,100.90 is: 47,298,151.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,408,511.90 : 183,612,767.85 = 31,532,100.90 : x
  2. Step 2: Convert to fraction form
    122,408,511.90/183,612,767.85 = 31,532,100.90/x
  3. Step 3: Cross multiply
    122,408,511.90x = 183,612,767.85 × 31,532,100.90
  4. Step 4: Simplify right side
    122,408,511.90x = 5,789,696,322,374,476
  5. Step 5: Solve for x
    x = 5,789,696,322,374,476/122,408,511.90
  6. Step 6: Final answer
    x = 47,298,151.35

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Why These Related Problems?

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