Home / 144,760,431.20-217,172,139.60-47,699,621.60

Finding the Fourth Proportional to 144,760,431.20, 217,172,139.60 and 47,699,621.60

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Solution

The fourth proportional to 144,760,431.20, 217,172,139.60 and 47,699,621.60 is: 71,559,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,760,431.20 : 217,172,139.60 = 47,699,621.60 : x
  2. Step 2: Convert to fraction form
    144,760,431.20/217,172,139.60 = 47,699,621.60/x
  3. Step 3: Cross multiply
    144,760,431.20x = 217,172,139.60 × 47,699,621.60
  4. Step 4: Simplify right side
    144,760,431.20x = 10,359,028,880,982,376
  5. Step 5: Solve for x
    x = 10,359,028,880,982,376/144,760,431.20
  6. Step 6: Final answer
    x = 71,559,809.51

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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.