Home / 210,096,843.20-315,145,264.80-207,227,061.80

Finding the Fourth Proportional to 210,096,843.20, 315,145,264.80 and 207,227,061.80

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Solution

The fourth proportional to 210,096,843.20, 315,145,264.80 and 207,227,061.80 is: 310,840,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,096,843.20 : 315,145,264.80 = 207,227,061.80 : x
  2. Step 2: Convert to fraction form
    210,096,843.20/315,145,264.80 = 207,227,061.80/x
  3. Step 3: Cross multiply
    210,096,843.20x = 315,145,264.80 × 207,227,061.80
  4. Step 4: Simplify right side
    210,096,843.20x = 65,306,627,264,686,968
  5. Step 5: Solve for x
    x = 65,306,627,264,686,968/210,096,843.20
  6. Step 6: Final answer
    x = 310,840,592.70

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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.