Home / 64,158,703.25-96,199,622.28-20,420,569.19

Finding the Fourth Proportional to 64,158,703.25, 96,199,622.28 and 20,420,569.19

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Solution

The fourth proportional to 64,158,703.25, 96,199,622.28 and 20,420,569.19 is: 30,618,621.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,703.25 : 96,199,622.28 = 20,420,569.19 : x
  2. Step 2: Convert to fraction form
    64,158,703.25/96,199,622.28 = 20,420,569.19/x
  3. Step 3: Cross multiply
    64,158,703.25x = 96,199,622.28 × 20,420,569.19
  4. Step 4: Simplify right side
    64,158,703.25x = 1,964,451,042,339,607.25
  5. Step 5: Solve for x
    x = 1,964,451,042,339,607.25/64,158,703.25
  6. Step 6: Final answer
    x = 30,618,621.37

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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.