Home / 122,517,008.40-183,775,512.60-45,830,072.10

Finding the Fourth Proportional to 122,517,008.40, 183,775,512.60 and 45,830,072.10

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Solution

The fourth proportional to 122,517,008.40, 183,775,512.60 and 45,830,072.10 is: 68,745,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517,008.40 : 183,775,512.60 = 45,830,072.10 : x
  2. Step 2: Convert to fraction form
    122,517,008.40/183,775,512.60 = 45,830,072.10/x
  3. Step 3: Cross multiply
    122,517,008.40x = 183,775,512.60 × 45,830,072.10
  4. Step 4: Simplify right side
    122,517,008.40x = 8,422,444,992,672,458
  5. Step 5: Solve for x
    x = 8,422,444,992,672,458/122,517,008.40
  6. Step 6: Final answer
    x = 68,745,108.15

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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.