Home / 143,875,284.76-215,883,787.56-67,187,167.48

Finding the Fourth Proportional to 143,875,284.76, 215,883,787.56 and 67,187,167.48

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Solution

The fourth proportional to 143,875,284.76, 215,883,787.56 and 67,187,167.48 is: 100,813,841.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,875,284.76 : 215,883,787.56 = 67,187,167.48 : x
  2. Step 2: Convert to fraction form
    143,875,284.76/215,883,787.56 = 67,187,167.48/x
  3. Step 3: Cross multiply
    143,875,284.76x = 215,883,787.56 × 67,187,167.48
  4. Step 4: Simplify right side
    143,875,284.76x = 14,504,620,191,010,462
  5. Step 5: Solve for x
    x = 14,504,620,191,010,462/143,875,284.76
  6. Step 6: Final answer
    x = 100,813,841.76

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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.