Home / 91,397,651.82-126,128,759.51-52,240,269.32

Finding the Fourth Proportional to 91,397,651.82, 126,128,759.51 and 52,240,269.32

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Solution

The fourth proportional to 91,397,651.82, 126,128,759.51 and 52,240,269.32 is: 72,091,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,651.82 : 126,128,759.51 = 52,240,269.32 : x
  2. Step 2: Convert to fraction form
    91,397,651.82/126,128,759.51 = 52,240,269.32/x
  3. Step 3: Cross multiply
    91,397,651.82x = 126,128,759.51 × 52,240,269.32
  4. Step 4: Simplify right side
    91,397,651.82x = 6,589,000,365,772,851
  5. Step 5: Solve for x
    x = 6,589,000,365,772,851/91,397,651.82
  6. Step 6: Final answer
    x = 72,091,571.66

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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.