Home / 144,012,692.78-215,931,559.02-56,469,324.15

Finding the Fourth Proportional to 144,012,692.78, 215,931,559.02 and 56,469,324.15

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Solution

The fourth proportional to 144,012,692.78, 215,931,559.02 and 56,469,324.15 is: 84,669,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,012,692.78 : 215,931,559.02 = 56,469,324.15 : x
  2. Step 2: Convert to fraction form
    144,012,692.78/215,931,559.02 = 56,469,324.15/x
  3. Step 3: Cross multiply
    144,012,692.78x = 215,931,559.02 × 56,469,324.15
  4. Step 4: Simplify right side
    144,012,692.78x = 12,193,509,200,304,040
  5. Step 5: Solve for x
    x = 12,193,509,200,304,040/144,012,692.78
  6. Step 6: Final answer
    x = 84,669,684.07

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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.