Home / 210,546,000.10-315,819,000.15-159,527,664.10

Finding the Fourth Proportional to 210,546,000.10, 315,819,000.15 and 159,527,664.10

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Solution

The fourth proportional to 210,546,000.10, 315,819,000.15 and 159,527,664.10 is: 239,291,496.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,546,000.10 : 315,819,000.15 = 159,527,664.10 : x
  2. Step 2: Convert to fraction form
    210,546,000.10/315,819,000.15 = 159,527,664.10/x
  3. Step 3: Cross multiply
    210,546,000.10x = 315,819,000.15 × 159,527,664.10
  4. Step 4: Simplify right side
    210,546,000.10x = 50,381,867,372,327,040
  5. Step 5: Solve for x
    x = 50,381,867,372,327,040/210,546,000.10
  6. Step 6: Final answer
    x = 239,291,496.15

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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.