Home / 64,161,785.80-96,266,298.30-21,032,396.20

Finding the Fourth Proportional to 64,161,785.80, 96,266,298.30 and 21,032,396.20

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Solution

The fourth proportional to 64,161,785.80, 96,266,298.30 and 21,032,396.20 is: 31,556,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,161,785.80 : 96,266,298.30 = 21,032,396.20 : x
  2. Step 2: Convert to fraction form
    64,161,785.80/96,266,298.30 = 21,032,396.20/x
  3. Step 3: Cross multiply
    64,161,785.80x = 96,266,298.30 × 21,032,396.20
  4. Step 4: Simplify right side
    64,161,785.80x = 2,024,710,926,552,986.25
  5. Step 5: Solve for x
    x = 2,024,710,926,552,986.25/64,161,785.80
  6. Step 6: Final answer
    x = 31,556,336.86

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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.