Home / 78,727,296.93-108,643,716.48-43,919,987.32

Finding the Fourth Proportional to 78,727,296.93, 108,643,716.48 and 43,919,987.32

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Solution

The fourth proportional to 78,727,296.93, 108,643,716.48 and 43,919,987.32 is: 60,609,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,727,296.93 : 108,643,716.48 = 43,919,987.32 : x
  2. Step 2: Convert to fraction form
    78,727,296.93/108,643,716.48 = 43,919,987.32/x
  3. Step 3: Cross multiply
    78,727,296.93x = 108,643,716.48 × 43,919,987.32
  4. Step 4: Simplify right side
    78,727,296.93x = 4,771,630,650,199,275
  5. Step 5: Solve for x
    x = 4,771,630,650,199,275/78,727,296.93
  6. Step 6: Final answer
    x = 60,609,608.56

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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.