Home / 137,086,235.46-205,621,784.21-100,235,888.17

Finding the Fourth Proportional to 137,086,235.46, 205,621,784.21 and 100,235,888.17

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Solution

The fourth proportional to 137,086,235.46, 205,621,784.21 and 100,235,888.17 is: 150,348,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,086,235.46 : 205,621,784.21 = 100,235,888.17 : x
  2. Step 2: Convert to fraction form
    137,086,235.46/205,621,784.21 = 100,235,888.17/x
  3. Step 3: Cross multiply
    137,086,235.46x = 205,621,784.21 × 100,235,888.17
  4. Step 4: Simplify right side
    137,086,235.46x = 20,610,682,167,125,968
  5. Step 5: Solve for x
    x = 20,610,682,167,125,968/137,086,235.46
  6. Step 6: Final answer
    x = 150,348,297.90

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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.