Home / 55,420,012.24-76,479,425.40-30,973,726.24

Finding the Fourth Proportional to 55,420,012.24, 76,479,425.40 and 30,973,726.24

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Solution

The fourth proportional to 55,420,012.24, 76,479,425.40 and 30,973,726.24 is: 42,743,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,420,012.24 : 76,479,425.40 = 30,973,726.24 : x
  2. Step 2: Convert to fraction form
    55,420,012.24/76,479,425.40 = 30,973,726.24/x
  3. Step 3: Cross multiply
    55,420,012.24x = 76,479,425.40 × 30,973,726.24
  4. Step 4: Simplify right side
    55,420,012.24x = 2,368,852,785,332,102.50
  5. Step 5: Solve for x
    x = 2,368,852,785,332,102.50/55,420,012.24
  6. Step 6: Final answer
    x = 42,743,635.19

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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.