Home / 200,623,721.40-300,935,582.10-170,012,719.80

Finding the Fourth Proportional to 200,623,721.40, 300,935,582.10 and 170,012,719.80

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Solution

The fourth proportional to 200,623,721.40, 300,935,582.10 and 170,012,719.80 is: 255,019,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623,721.40 : 300,935,582.10 = 170,012,719.80 : x
  2. Step 2: Convert to fraction form
    200,623,721.40/300,935,582.10 = 170,012,719.80/x
  3. Step 3: Cross multiply
    200,623,721.40x = 300,935,582.10 × 170,012,719.80
  4. Step 4: Simplify right side
    200,623,721.40x = 51,162,876,797,417,200
  5. Step 5: Solve for x
    x = 51,162,876,797,417,200/200,623,721.40
  6. Step 6: Final answer
    x = 255,019,079.70

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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.