Home / 76,426,226,479.90-105,468,511,105.26-42,131,179,627.25

Finding the Fourth Proportional to 76,426,226,479.90, 105,468,511,105.26 and 42,131,179,627.25

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Solution

The fourth proportional to 76,426,226,479.90, 105,468,511,105.26 and 42,131,179,627.25 is: 58,141,203,498.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,426,226,479.90 : 105,468,511,105.26 = 42,131,179,627.25 : x
  2. Step 2: Convert to fraction form
    76,426,226,479.90/105,468,511,105.26 = 42,131,179,627.25/x
  3. Step 3: Cross multiply
    76,426,226,479.90x = 105,468,511,105.26 × 42,131,179,627.25
  4. Step 4: Simplify right side
    76,426,226,479.90x = 4,443,512,786,394,741,735,424
  5. Step 5: Solve for x
    x = 4,443,512,786,394,741,735,424/76,426,226,479.90
  6. Step 6: Final answer
    x = 58,141,203,498.56

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1.5x scale

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.