Home / 100,989,703.74-151,511,542.83-36,294,069.30

Finding the Fourth Proportional to 100,989,703.74, 151,511,542.83 and 36,294,069.30

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Solution

The fourth proportional to 100,989,703.74, 151,511,542.83 and 36,294,069.30 is: 54,450,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,989,703.74 : 151,511,542.83 = 36,294,069.30 : x
  2. Step 2: Convert to fraction form
    100,989,703.74/151,511,542.83 = 36,294,069.30/x
  3. Step 3: Cross multiply
    100,989,703.74x = 151,511,542.83 × 36,294,069.30
  4. Step 4: Simplify right side
    100,989,703.74x = 5,498,970,435,221,938
  5. Step 5: Solve for x
    x = 5,498,970,435,221,938/100,989,703.74
  6. Step 6: Final answer
    x = 54,450,802.72

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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.