Home / 64,045,789.01-96,074,589.29-20,915,218.43

Finding the Fourth Proportional to 64,045,789.01, 96,074,589.29 and 20,915,218.43

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Solution

The fourth proportional to 64,045,789.01, 96,074,589.29 and 20,915,218.43 is: 31,374,756.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045,789.01 : 96,074,589.29 = 20,915,218.43 : x
  2. Step 2: Convert to fraction form
    64,045,789.01/96,074,589.29 = 20,915,218.43/x
  3. Step 3: Cross multiply
    64,045,789.01x = 96,074,589.29 × 20,915,218.43
  4. Step 4: Simplify right side
    64,045,789.01x = 2,009,421,020,572,888.75
  5. Step 5: Solve for x
    x = 2,009,421,020,572,888.75/64,045,789.01
  6. Step 6: Final answer
    x = 31,374,756.27

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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.