Home / 144,358,857.85-216,551,016.20-40,728,969.85

Finding the Fourth Proportional to 144,358,857.85, 216,551,016.20 and 40,728,969.85

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Solution

The fourth proportional to 144,358,857.85, 216,551,016.20 and 40,728,969.85 is: 61,097,046.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,358,857.85 : 216,551,016.20 = 40,728,969.85 : x
  2. Step 2: Convert to fraction form
    144,358,857.85/216,551,016.20 = 40,728,969.85/x
  3. Step 3: Cross multiply
    144,358,857.85x = 216,551,016.20 × 40,728,969.85
  4. Step 4: Simplify right side
    144,358,857.85x = 8,819,899,809,796,661
  5. Step 5: Solve for x
    x = 8,819,899,809,796,661/144,358,857.85
  6. Step 6: Final answer
    x = 61,097,046.22

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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.