Home / 47,769,873.82-71,642,964.02-20,473,071.15

Finding the Fourth Proportional to 47,769,873.82, 71,642,964.02 and 20,473,071.15

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Solution

The fourth proportional to 47,769,873.82, 71,642,964.02 and 20,473,071.15 is: 30,704,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,769,873.82 : 71,642,964.02 = 20,473,071.15 : x
  2. Step 2: Convert to fraction form
    47,769,873.82/71,642,964.02 = 20,473,071.15/x
  3. Step 3: Cross multiply
    47,769,873.82x = 71,642,964.02 × 20,473,071.15
  4. Step 4: Simplify right side
    47,769,873.82x = 1,466,751,499,778,349.75
  5. Step 5: Solve for x
    x = 1,466,751,499,778,349.75/47,769,873.82
  6. Step 6: Final answer
    x = 30,704,529.50

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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.