Home / 200,596,320.15-300,894,480.23-71,217,008.70

Finding the Fourth Proportional to 200,596,320.15, 300,894,480.23 and 71,217,008.70

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Solution

The fourth proportional to 200,596,320.15, 300,894,480.23 and 71,217,008.70 is: 106,825,513.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,596,320.15 : 300,894,480.23 = 71,217,008.70 : x
  2. Step 2: Convert to fraction form
    200,596,320.15/300,894,480.23 = 71,217,008.70/x
  3. Step 3: Cross multiply
    200,596,320.15x = 300,894,480.23 × 71,217,008.70
  4. Step 4: Simplify right side
    200,596,320.15x = 21,428,804,815,965,804
  5. Step 5: Solve for x
    x = 21,428,804,815,965,804/200,596,320.15
  6. Step 6: Final answer
    x = 106,825,513.05

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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.