Home / 72,089,375.92-99,483,816.45-39,049,625.05

Finding the Fourth Proportional to 72,089,375.92, 99,483,816.45 and 39,049,625.05

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Solution

The fourth proportional to 72,089,375.92, 99,483,816.45 and 39,049,625.05 is: 53,888,741.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,089,375.92 : 99,483,816.45 = 39,049,625.05 : x
  2. Step 2: Convert to fraction form
    72,089,375.92/99,483,816.45 = 39,049,625.05/x
  3. Step 3: Cross multiply
    72,089,375.92x = 99,483,816.45 × 39,049,625.05
  4. Step 4: Simplify right side
    72,089,375.92x = 3,884,805,730,915,522
  5. Step 5: Solve for x
    x = 3,884,805,730,915,522/72,089,375.92
  6. Step 6: Final answer
    x = 53,888,741.32

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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.