Home / 64,158,860.80-96,199,858-20,420,726.56

Finding the Fourth Proportional to 64,158,860.80, 96,199,858 and 20,420,726.56

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Solution

The fourth proportional to 64,158,860.80, 96,199,858 and 20,420,726.56 is: 30,618,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,860.80 : 96,199,858 = 20,420,726.56 : x
  2. Step 2: Convert to fraction form
    64,158,860.80/96,199,858 = 20,420,726.56/x
  3. Step 3: Cross multiply
    64,158,860.80x = 96,199,858 × 20,420,726.56
  4. Step 4: Simplify right side
    64,158,860.80x = 1,964,470,995,328,828.25
  5. Step 5: Solve for x
    x = 1,964,470,995,328,828.25/64,158,860.80
  6. Step 6: Final answer
    x = 30,618,857.17

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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.