Home / 78,307,552.53-108,064,366.20-43,503,498.45

Finding the Fourth Proportional to 78,307,552.53, 108,064,366.20 and 43,503,498.45

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Solution

The fourth proportional to 78,307,552.53, 108,064,366.20 and 43,503,498.45 is: 60,034,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,307,552.53 : 108,064,366.20 = 43,503,498.45 : x
  2. Step 2: Convert to fraction form
    78,307,552.53/108,064,366.20 = 43,503,498.45/x
  3. Step 3: Cross multiply
    78,307,552.53x = 108,064,366.20 × 43,503,498.45
  4. Step 4: Simplify right side
    78,307,552.53x = 4,701,177,987,481,933
  5. Step 5: Solve for x
    x = 4,701,177,987,481,933/78,307,552.53
  6. Step 6: Final answer
    x = 60,034,796.59

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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.