Home / 210,096,840.20-315,145,260.30-207,227,058.80

Finding the Fourth Proportional to 210,096,840.20, 315,145,260.30 and 207,227,058.80

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Solution

The fourth proportional to 210,096,840.20, 315,145,260.30 and 207,227,058.80 is: 310,840,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,096,840.20 : 315,145,260.30 = 207,227,058.80 : x
  2. Step 2: Convert to fraction form
    210,096,840.20/315,145,260.30 = 207,227,058.80/x
  3. Step 3: Cross multiply
    210,096,840.20x = 315,145,260.30 × 207,227,058.80
  4. Step 4: Simplify right side
    210,096,840.20x = 65,306,625,386,729,408
  5. Step 5: Solve for x
    x = 65,306,625,386,729,408/210,096,840.20
  6. Step 6: Final answer
    x = 310,840,588.20

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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.