Home / 64,047,523.50-96,081,238.53-21,507,204.78

Finding the Fourth Proportional to 64,047,523.50, 96,081,238.53 and 21,507,204.78

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Solution

The fourth proportional to 64,047,523.50, 96,081,238.53 and 21,507,204.78 is: 32,264,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047,523.50 : 96,081,238.53 = 21,507,204.78 : x
  2. Step 2: Convert to fraction form
    64,047,523.50/96,081,238.53 = 21,507,204.78/x
  3. Step 3: Cross multiply
    64,047,523.50x = 96,081,238.53 × 21,507,204.78
  4. Step 4: Simplify right side
    64,047,523.50x = 2,066,438,872,580,736.25
  5. Step 5: Solve for x
    x = 2,066,438,872,580,736.25/64,047,523.50
  6. Step 6: Final answer
    x = 32,264,149.49

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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.