Home / 210,096,823.70-315,145,235.55-207,227,042.30

Finding the Fourth Proportional to 210,096,823.70, 315,145,235.55 and 207,227,042.30

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Solution

The fourth proportional to 210,096,823.70, 315,145,235.55 and 207,227,042.30 is: 310,840,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,096,823.70 : 315,145,235.55 = 207,227,042.30 : x
  2. Step 2: Convert to fraction form
    210,096,823.70/315,145,235.55 = 207,227,042.30/x
  3. Step 3: Cross multiply
    210,096,823.70x = 315,145,235.55 × 207,227,042.30
  4. Step 4: Simplify right side
    210,096,823.70x = 65,306,615,057,963,320
  5. Step 5: Solve for x
    x = 65,306,615,057,963,320/210,096,823.70
  6. Step 6: Final answer
    x = 310,840,563.45

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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.