Home / 75,213,204.78-103,778,679.73-43,422,823.47

Finding the Fourth Proportional to 75,213,204.78, 103,778,679.73 and 43,422,823.47

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Solution

The fourth proportional to 75,213,204.78, 103,778,679.73 and 43,422,823.47 is: 59,914,523.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,213,204.78 : 103,778,679.73 = 43,422,823.47 : x
  2. Step 2: Convert to fraction form
    75,213,204.78/103,778,679.73 = 43,422,823.47/x
  3. Step 3: Cross multiply
    75,213,204.78x = 103,778,679.73 × 43,422,823.47
  4. Step 4: Simplify right side
    75,213,204.78x = 4,506,363,289,825,384
  5. Step 5: Solve for x
    x = 4,506,363,289,825,384/75,213,204.78
  6. Step 6: Final answer
    x = 59,914,523.03

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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.