Home / 64,158,701.77-96,199,620.08-20,420,567.71

Finding the Fourth Proportional to 64,158,701.77, 96,199,620.08 and 20,420,567.71

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Solution

The fourth proportional to 64,158,701.77, 96,199,620.08 and 20,420,567.71 is: 30,618,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,701.77 : 96,199,620.08 = 20,420,567.71 : x
  2. Step 2: Convert to fraction form
    64,158,701.77/96,199,620.08 = 20,420,567.71/x
  3. Step 3: Cross multiply
    64,158,701.77x = 96,199,620.08 × 20,420,567.71
  4. Step 4: Simplify right side
    64,158,701.77x = 1,964,450,855,620,231.75
  5. Step 5: Solve for x
    x = 1,964,450,855,620,231.75/64,158,701.77
  6. Step 6: Final answer
    x = 30,618,619.16

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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.