Home / 74,921,211.60-112,381,817.40-49,055,125.20

Finding the Fourth Proportional to 74,921,211.60, 112,381,817.40 and 49,055,125.20

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Solution

The fourth proportional to 74,921,211.60, 112,381,817.40 and 49,055,125.20 is: 73,582,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,921,211.60 : 112,381,817.40 = 49,055,125.20 : x
  2. Step 2: Convert to fraction form
    74,921,211.60/112,381,817.40 = 49,055,125.20/x
  3. Step 3: Cross multiply
    74,921,211.60x = 112,381,817.40 × 49,055,125.20
  4. Step 4: Simplify right side
    74,921,211.60x = 5,512,904,122,760,539
  5. Step 5: Solve for x
    x = 5,512,904,122,760,539/74,921,211.60
  6. Step 6: Final answer
    x = 73,582,687.80

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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.