Home / 64,202,834.13-96,284,021.01-21,061,984.65

Finding the Fourth Proportional to 64,202,834.13, 96,284,021.01 and 21,061,984.65

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Solution

The fourth proportional to 64,202,834.13, 96,284,021.01 and 21,061,984.65 is: 31,586,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,202,834.13 : 96,284,021.01 = 21,061,984.65 : x
  2. Step 2: Convert to fraction form
    64,202,834.13/96,284,021.01 = 21,061,984.65/x
  3. Step 3: Cross multiply
    64,202,834.13x = 96,284,021.01 × 21,061,984.65
  4. Step 4: Simplify right side
    64,202,834.13x = 2,027,932,572,552,897.50
  5. Step 5: Solve for x
    x = 2,027,932,572,552,897.50/64,202,834.13
  6. Step 6: Final answer
    x = 31,586,340.39

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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.