Home / 64,045,791.01-96,074,592.29-20,915,220.43

Finding the Fourth Proportional to 64,045,791.01, 96,074,592.29 and 20,915,220.43

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Solution

The fourth proportional to 64,045,791.01, 96,074,592.29 and 20,915,220.43 is: 31,374,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,791.01 : 96,074,592.29 = 20,915,220.43 : x
  2. Step 2: Convert to fraction form
    64,045,791.01/96,074,592.29 = 20,915,220.43/x
  3. Step 3: Cross multiply
    64,045,791.01x = 96,074,592.29 × 20,915,220.43
  4. Step 4: Simplify right side
    64,045,791.01x = 2,009,421,274,882,779.50
  5. Step 5: Solve for x
    x = 2,009,421,274,882,779.50/64,045,791.01
  6. Step 6: Final answer
    x = 31,374,759.27

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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.