Home / 69,423,471.78-95,814,150.48-42,970,310.54

Finding the Fourth Proportional to 69,423,471.78, 95,814,150.48 and 42,970,310.54

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Solution

The fourth proportional to 69,423,471.78, 95,814,150.48 and 42,970,310.54 is: 59,305,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423,471.78 : 95,814,150.48 = 42,970,310.54 : x
  2. Step 2: Convert to fraction form
    69,423,471.78/95,814,150.48 = 42,970,310.54/x
  3. Step 3: Cross multiply
    69,423,471.78x = 95,814,150.48 × 42,970,310.54
  4. Step 4: Simplify right side
    69,423,471.78x = 4,117,163,799,772,819
  5. Step 5: Solve for x
    x = 4,117,163,799,772,819/69,423,471.78
  6. Step 6: Final answer
    x = 59,305,069.23

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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.