Home / 60,129,003.47-90,149,342.36-19,164,860.51

Finding the Fourth Proportional to 60,129,003.47, 90,149,342.36 and 19,164,860.51

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Solution

The fourth proportional to 60,129,003.47, 90,149,342.36 and 19,164,860.51 is: 28,733,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129,003.47 : 90,149,342.36 = 19,164,860.51 : x
  2. Step 2: Convert to fraction form
    60,129,003.47/90,149,342.36 = 19,164,860.51/x
  3. Step 3: Cross multiply
    60,129,003.47x = 90,149,342.36 × 19,164,860.51
  4. Step 4: Simplify right side
    60,129,003.47x = 1,727,699,570,851,063.25
  5. Step 5: Solve for x
    x = 1,727,699,570,851,063.25/60,129,003.47
  6. Step 6: Final answer
    x = 28,733,214.78

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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.