Home / 122,218,381.60-183,264,586.80-45,501,920.80

Finding the Fourth Proportional to 122,218,381.60, 183,264,586.80 and 45,501,920.80

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Solution

The fourth proportional to 122,218,381.60, 183,264,586.80 and 45,501,920.80 is: 68,229,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,218,381.60 : 183,264,586.80 = 45,501,920.80 : x
  2. Step 2: Convert to fraction form
    122,218,381.60/183,264,586.80 = 45,501,920.80/x
  3. Step 3: Cross multiply
    122,218,381.60x = 183,264,586.80 × 45,501,920.80
  4. Step 4: Simplify right side
    122,218,381.60x = 8,338,890,714,018,325
  5. Step 5: Solve for x
    x = 8,338,890,714,018,325/122,218,381.60
  6. Step 6: Final answer
    x = 68,229,431.65

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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.