Home / 122,510,135.90-183,765,203.85-54,359,716.70

Finding the Fourth Proportional to 122,510,135.90, 183,765,203.85 and 54,359,716.70

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Solution

The fourth proportional to 122,510,135.90, 183,765,203.85 and 54,359,716.70 is: 81,539,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510,135.90 : 183,765,203.85 = 54,359,716.70 : x
  2. Step 2: Convert to fraction form
    122,510,135.90/183,765,203.85 = 54,359,716.70/x
  3. Step 3: Cross multiply
    122,510,135.90x = 183,765,203.85 × 54,359,716.70
  4. Step 4: Simplify right side
    122,510,135.90x = 9,989,424,420,603,750
  5. Step 5: Solve for x
    x = 9,989,424,420,603,750/122,510,135.90
  6. Step 6: Final answer
    x = 81,539,575.05

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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.