Home / 143,132,321.11-214,698,448.86-40,896,359.95

Finding the Fourth Proportional to 143,132,321.11, 214,698,448.86 and 40,896,359.95

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Solution

The fourth proportional to 143,132,321.11, 214,698,448.86 and 40,896,359.95 is: 61,344,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132,321.11 : 214,698,448.86 = 40,896,359.95 : x
  2. Step 2: Convert to fraction form
    143,132,321.11/214,698,448.86 = 40,896,359.95/x
  3. Step 3: Cross multiply
    143,132,321.11x = 214,698,448.86 × 40,896,359.95
  4. Step 4: Simplify right side
    143,132,321.11x = 8,780,385,045,285,228
  5. Step 5: Solve for x
    x = 8,780,385,045,285,228/143,132,321.11
  6. Step 6: Final answer
    x = 61,344,530.55

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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.