Home / 72,747,659.33-109,121,488.99-61,851,458.08

Finding the Fourth Proportional to 72,747,659.33, 109,121,488.99 and 61,851,458.08

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Solution

The fourth proportional to 72,747,659.33, 109,121,488.99 and 61,851,458.08 is: 92,777,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,747,659.33 : 109,121,488.99 = 61,851,458.08 : x
  2. Step 2: Convert to fraction form
    72,747,659.33/109,121,488.99 = 61,851,458.08/x
  3. Step 3: Cross multiply
    72,747,659.33x = 109,121,488.99 × 61,851,458.08
  4. Step 4: Simplify right side
    72,747,659.33x = 6,749,323,201,464,734
  5. Step 5: Solve for x
    x = 6,749,323,201,464,734/72,747,659.33
  6. Step 6: Final answer
    x = 92,777,187.12

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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.