Home / 101,033,919.20-151,550,878.80-68,748,878.45

Finding the Fourth Proportional to 101,033,919.20, 151,550,878.80 and 68,748,878.45

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Solution

The fourth proportional to 101,033,919.20, 151,550,878.80 and 68,748,878.45 is: 103,123,317.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,033,919.20 : 151,550,878.80 = 68,748,878.45 : x
  2. Step 2: Convert to fraction form
    101,033,919.20/151,550,878.80 = 68,748,878.45/x
  3. Step 3: Cross multiply
    101,033,919.20x = 151,550,878.80 × 68,748,878.45
  4. Step 4: Simplify right side
    101,033,919.20x = 10,418,952,945,611,884
  5. Step 5: Solve for x
    x = 10,418,952,945,611,884/101,033,919.20
  6. Step 6: Final answer
    x = 103,123,317.68

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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.