Home / 100,063,542.77-138,089,099.03-57,653,663.41

Finding the Fourth Proportional to 100,063,542.77, 138,089,099.03 and 57,653,663.41

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Solution

The fourth proportional to 100,063,542.77, 138,089,099.03 and 57,653,663.41 is: 79,562,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,063,542.77 : 138,089,099.03 = 57,653,663.41 : x
  2. Step 2: Convert to fraction form
    100,063,542.77/138,089,099.03 = 57,653,663.41/x
  3. Step 3: Cross multiply
    100,063,542.77x = 138,089,099.03 × 57,653,663.41
  4. Step 4: Simplify right side
    100,063,542.77x = 7,961,342,436,065,777
  5. Step 5: Solve for x
    x = 7,961,342,436,065,777/100,063,542.77
  6. Step 6: Final answer
    x = 79,562,867.91

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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.