Home / 57,632,995.51-79,533,296.01-31,171,378.88

Finding the Fourth Proportional to 57,632,995.51, 79,533,296.01 and 31,171,378.88

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Solution

The fourth proportional to 57,632,995.51, 79,533,296.01 and 31,171,378.88 is: 43,016,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632,995.51 : 79,533,296.01 = 31,171,378.88 : x
  2. Step 2: Convert to fraction form
    57,632,995.51/79,533,296.01 = 31,171,378.88/x
  3. Step 3: Cross multiply
    57,632,995.51x = 79,533,296.01 × 31,171,378.88
  4. Step 4: Simplify right side
    57,632,995.51x = 2,479,162,503,502,902.50
  5. Step 5: Solve for x
    x = 2,479,162,503,502,902.50/57,632,995.51
  6. Step 6: Final answer
    x = 43,016,374.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.