Home / 165,216,878.80-247,825,318.20-147,360,461.20

Finding the Fourth Proportional to 165,216,878.80, 247,825,318.20 and 147,360,461.20

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Solution

The fourth proportional to 165,216,878.80, 247,825,318.20 and 147,360,461.20 is: 221,040,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,216,878.80 : 247,825,318.20 = 147,360,461.20 : x
  2. Step 2: Convert to fraction form
    165,216,878.80/247,825,318.20 = 147,360,461.20/x
  3. Step 3: Cross multiply
    165,216,878.80x = 247,825,318.20 × 147,360,461.20
  4. Step 4: Simplify right side
    165,216,878.80x = 36,519,653,186,988,752
  5. Step 5: Solve for x
    x = 36,519,653,186,988,752/165,216,878.80
  6. Step 6: Final answer
    x = 221,040,691.80

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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.