Home / 40,089,276.07-55,323,200.98-21,754,561.57

Finding the Fourth Proportional to 40,089,276.07, 55,323,200.98 and 21,754,561.57

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Solution

The fourth proportional to 40,089,276.07, 55,323,200.98 and 21,754,561.57 is: 30,021,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,276.07 : 55,323,200.98 = 21,754,561.57 : x
  2. Step 2: Convert to fraction form
    40,089,276.07/55,323,200.98 = 21,754,561.57/x
  3. Step 3: Cross multiply
    40,089,276.07x = 55,323,200.98 × 21,754,561.57
  4. Step 4: Simplify right side
    40,089,276.07x = 1,203,531,981,776,199.75
  5. Step 5: Solve for x
    x = 1,203,531,981,776,199.75/40,089,276.07
  6. Step 6: Final answer
    x = 30,021,294.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.