Home / 60,720,637.94-91,080,883.10-19,780,010.25

Finding the Fourth Proportional to 60,720,637.94, 91,080,883.10 and 19,780,010.25

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Solution

The fourth proportional to 60,720,637.94, 91,080,883.10 and 19,780,010.25 is: 29,669,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,720,637.94 : 91,080,883.10 = 19,780,010.25 : x
  2. Step 2: Convert to fraction form
    60,720,637.94/91,080,883.10 = 19,780,010.25/x
  3. Step 3: Cross multiply
    60,720,637.94x = 91,080,883.10 × 19,780,010.25
  4. Step 4: Simplify right side
    60,720,637.94x = 1,801,580,801,297,051.75
  5. Step 5: Solve for x
    x = 1,801,580,801,297,051.75/60,720,637.94
  6. Step 6: Final answer
    x = 29,669,991.33

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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.