Home / 420,677,600.48-631,029,255.92-144,324,938.16

Finding the Fourth Proportional to 420,677,600.48, 631,029,255.92 and 144,324,938.16

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Solution

The fourth proportional to 420,677,600.48, 631,029,255.92 and 144,324,938.16 is: 216,491,817.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,677,600.48 : 631,029,255.92 = 144,324,938.16 : x
  2. Step 2: Convert to fraction form
    420,677,600.48/631,029,255.92 = 144,324,938.16/x
  3. Step 3: Cross multiply
    420,677,600.48x = 631,029,255.92 × 144,324,938.16
  4. Step 4: Simplify right side
    420,677,600.48x = 91,073,258,337,804,800
  5. Step 5: Solve for x
    x = 91,073,258,337,804,800/420,677,600.48
  6. Step 6: Final answer
    x = 216,491,817.57

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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.