Home / 78,927,232,100.68-118,343,568,871.32-25,121,126,306.44

Finding the Fourth Proportional to 78,927,232,100.68, 118,343,568,871.32 and 25,121,126,306.44

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Solution

The fourth proportional to 78,927,232,100.68, 118,343,568,871.32 and 25,121,126,306.44 is: 37,666,641,310.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,927,232,100.68 : 118,343,568,871.32 = 25,121,126,306.44 : x
  2. Step 2: Convert to fraction form
    78,927,232,100.68/118,343,568,871.32 = 25,121,126,306.44/x
  3. Step 3: Cross multiply
    78,927,232,100.68x = 118,343,568,871.32 × 25,121,126,306.44
  4. Step 4: Simplify right side
    78,927,232,100.68x = 2,972,923,741,171,310,657,536
  5. Step 5: Solve for x
    x = 2,972,923,741,171,310,657,536/78,927,232,100.68
  6. Step 6: Final answer
    x = 37,666,641,310.56

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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.