Home / 64,045,785.24-96,074,583.66-20,915,214.66

Finding the Fourth Proportional to 64,045,785.24, 96,074,583.66 and 20,915,214.66

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Solution

The fourth proportional to 64,045,785.24, 96,074,583.66 and 20,915,214.66 is: 31,374,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,785.24 : 96,074,583.66 = 20,915,214.66 : x
  2. Step 2: Convert to fraction form
    64,045,785.24/96,074,583.66 = 20,915,214.66/x
  3. Step 3: Cross multiply
    64,045,785.24x = 96,074,583.66 × 20,915,214.66
  4. Step 4: Simplify right side
    64,045,785.24x = 2,009,420,540,619,028.50
  5. Step 5: Solve for x
    x = 2,009,420,540,619,028.50/64,045,785.24
  6. Step 6: Final answer
    x = 31,374,750.63

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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.