Home / 40,843,900.80-61,181,870.40-28,078,819.20

Finding the Fourth Proportional to 40,843,900.80, 61,181,870.40 and 28,078,819.20

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Solution

The fourth proportional to 40,843,900.80, 61,181,870.40 and 28,078,819.20 is: 42,060,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,843,900.80 : 61,181,870.40 = 28,078,819.20 : x
  2. Step 2: Convert to fraction form
    40,843,900.80/61,181,870.40 = 28,078,819.20/x
  3. Step 3: Cross multiply
    40,843,900.80x = 61,181,870.40 × 28,078,819.20
  4. Step 4: Simplify right side
    40,843,900.80x = 1,717,914,677,279,431.50
  5. Step 5: Solve for x
    x = 1,717,914,677,279,431.50/40,843,900.80
  6. Step 6: Final answer
    x = 42,060,494.80

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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.