Home / 285,022,921.41-427,574,995.01-88,301,797.67

Finding the Fourth Proportional to 285,022,921.41, 427,574,995.01 and 88,301,797.67

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Solution

The fourth proportional to 285,022,921.41, 427,574,995.01 and 88,301,797.67 is: 132,465,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,022,921.41 : 427,574,995.01 = 88,301,797.67 : x
  2. Step 2: Convert to fraction form
    285,022,921.41/427,574,995.01 = 88,301,797.67/x
  3. Step 3: Cross multiply
    285,022,921.41x = 427,574,995.01 × 88,301,797.67
  4. Step 4: Simplify right side
    285,022,921.41x = 37,755,640,695,544,896
  5. Step 5: Solve for x
    x = 37,755,640,695,544,896/285,022,921.41
  6. Step 6: Final answer
    x = 132,465,278.61

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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.