Home / 64,045,791.49-96,074,593.05-20,915,220.91

Finding the Fourth Proportional to 64,045,791.49, 96,074,593.05 and 20,915,220.91

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Solution

The fourth proportional to 64,045,791.49, 96,074,593.05 and 20,915,220.91 is: 31,374,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,791.49 : 96,074,593.05 = 20,915,220.91 : x
  2. Step 2: Convert to fraction form
    64,045,791.49/96,074,593.05 = 20,915,220.91/x
  3. Step 3: Cross multiply
    64,045,791.49x = 96,074,593.05 × 20,915,220.91
  4. Step 4: Simplify right side
    64,045,791.49x = 2,009,421,337,479,100.75
  5. Step 5: Solve for x
    x = 2,009,421,337,479,100.75/64,045,791.49
  6. Step 6: Final answer
    x = 31,374,760.01

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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.