Home / 150,994,277.89-208,368,836.38-87,417,297.74

Finding the Fourth Proportional to 150,994,277.89, 208,368,836.38 and 87,417,297.74

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Solution

The fourth proportional to 150,994,277.89, 208,368,836.38 and 87,417,297.74 is: 120,633,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,994,277.89 : 208,368,836.38 = 87,417,297.74 : x
  2. Step 2: Convert to fraction form
    150,994,277.89/208,368,836.38 = 87,417,297.74/x
  3. Step 3: Cross multiply
    150,994,277.89x = 208,368,836.38 × 87,417,297.74
  4. Step 4: Simplify right side
    150,994,277.89x = 18,215,040,609,567,804
  5. Step 5: Solve for x
    x = 18,215,040,609,567,804/150,994,277.89
  6. Step 6: Final answer
    x = 120,633,979.41

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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.