Home / 78,683,836,684.32-118,034,021,886.48-25,629,004,600.56

Finding the Fourth Proportional to 78,683,836,684.32, 118,034,021,886.48 and 25,629,004,600.56

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Solution

The fourth proportional to 78,683,836,684.32, 118,034,021,886.48 and 25,629,004,600.56 is: 38,446,199,593.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,683,836,684.32 : 118,034,021,886.48 = 25,629,004,600.56 : x
  2. Step 2: Convert to fraction form
    78,683,836,684.32/118,034,021,886.48 = 25,629,004,600.56/x
  3. Step 3: Cross multiply
    78,683,836,684.32x = 118,034,021,886.48 × 25,629,004,600.56
  4. Step 4: Simplify right side
    78,683,836,684.32x = 3,025,094,489,951,195,627,520
  5. Step 5: Solve for x
    x = 3,025,094,489,951,195,627,520/78,683,836,684.32
  6. Step 6: Final answer
    x = 38,446,199,593.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.