Home / 122,517,009.40-183,775,514.10-45,830,073.10

Finding the Fourth Proportional to 122,517,009.40, 183,775,514.10 and 45,830,073.10

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Solution

The fourth proportional to 122,517,009.40, 183,775,514.10 and 45,830,073.10 is: 68,745,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,517,009.40 : 183,775,514.10 = 45,830,073.10 : x
  2. Step 2: Convert to fraction form
    122,517,009.40/183,775,514.10 = 45,830,073.10/x
  3. Step 3: Cross multiply
    122,517,009.40x = 183,775,514.10 × 45,830,073.10
  4. Step 4: Simplify right side
    122,517,009.40x = 8,422,445,245,193,081
  5. Step 5: Solve for x
    x = 8,422,445,245,193,081/122,517,009.40
  6. Step 6: Final answer
    x = 68,745,109.65

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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.