Home / 122,510,137.90-183,765,206.85-54,359,718.70

Finding the Fourth Proportional to 122,510,137.90, 183,765,206.85 and 54,359,718.70

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Solution

The fourth proportional to 122,510,137.90, 183,765,206.85 and 54,359,718.70 is: 81,539,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,510,137.90 : 183,765,206.85 = 54,359,718.70 : x
  2. Step 2: Convert to fraction form
    122,510,137.90/183,765,206.85 = 54,359,718.70/x
  3. Step 3: Cross multiply
    122,510,137.90x = 183,765,206.85 × 54,359,718.70
  4. Step 4: Simplify right side
    122,510,137.90x = 9,989,424,951,213,314
  5. Step 5: Solve for x
    x = 9,989,424,951,213,314/122,510,137.90
  6. Step 6: Final answer
    x = 81,539,578.05

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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.