Home / 200,623,659.40-300,935,489.10-170,012,657.80

Finding the Fourth Proportional to 200,623,659.40, 300,935,489.10 and 170,012,657.80

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Solution

The fourth proportional to 200,623,659.40, 300,935,489.10 and 170,012,657.80 is: 255,018,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,623,659.40 : 300,935,489.10 = 170,012,657.80 : x
  2. Step 2: Convert to fraction form
    200,623,659.40/300,935,489.10 = 170,012,657.80/x
  3. Step 3: Cross multiply
    200,623,659.40x = 300,935,489.10 × 170,012,657.80
  4. Step 4: Simplify right side
    200,623,659.40x = 51,162,842,328,233,936
  5. Step 5: Solve for x
    x = 51,162,842,328,233,936/200,623,659.40
  6. Step 6: Final answer
    x = 255,018,986.70

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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.