Home / 70,021,078.45-96,629,221.98-38,659,188.10

Finding the Fourth Proportional to 70,021,078.45, 96,629,221.98 and 38,659,188.10

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Solution

The fourth proportional to 70,021,078.45, 96,629,221.98 and 38,659,188.10 is: 53,349,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,021,078.45 : 96,629,221.98 = 38,659,188.10 : x
  2. Step 2: Convert to fraction form
    70,021,078.45/96,629,221.98 = 38,659,188.10/x
  3. Step 3: Cross multiply
    70,021,078.45x = 96,629,221.98 × 38,659,188.10
  4. Step 4: Simplify right side
    70,021,078.45x = 3,735,607,268,481,474.50
  5. Step 5: Solve for x
    x = 3,735,607,268,481,474.50/70,021,078.45
  6. Step 6: Final answer
    x = 53,349,753.41

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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.