Home / 220,644,017.20-330,966,025.80-144,116,513.20

Finding the Fourth Proportional to 220,644,017.20, 330,966,025.80 and 144,116,513.20

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Solution

The fourth proportional to 220,644,017.20, 330,966,025.80 and 144,116,513.20 is: 216,174,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,644,017.20 : 330,966,025.80 = 144,116,513.20 : x
  2. Step 2: Convert to fraction form
    220,644,017.20/330,966,025.80 = 144,116,513.20/x
  3. Step 3: Cross multiply
    220,644,017.20x = 330,966,025.80 × 144,116,513.20
  4. Step 4: Simplify right side
    220,644,017.20x = 47,697,669,625,957,240
  5. Step 5: Solve for x
    x = 47,697,669,625,957,240/220,644,017.20
  6. Step 6: Final answer
    x = 216,174,769.80

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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.