Home / 74,714,902.20-112,072,353.30-71,845,120.80

Finding the Fourth Proportional to 74,714,902.20, 112,072,353.30 and 71,845,120.80

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Solution

The fourth proportional to 74,714,902.20, 112,072,353.30 and 71,845,120.80 is: 107,767,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714,902.20 : 112,072,353.30 = 71,845,120.80 : x
  2. Step 2: Convert to fraction form
    74,714,902.20/112,072,353.30 = 71,845,120.80/x
  3. Step 3: Cross multiply
    74,714,902.20x = 112,072,353.30 × 71,845,120.80
  4. Step 4: Simplify right side
    74,714,902.20x = 8,051,851,761,178,778
  5. Step 5: Solve for x
    x = 8,051,851,761,178,778/74,714,902.20
  6. Step 6: Final answer
    x = 107,767,681.20

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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.