Home / 218,306,031.40-327,459,047.10-156,765,163.60

Finding the Fourth Proportional to 218,306,031.40, 327,459,047.10 and 156,765,163.60

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Solution

The fourth proportional to 218,306,031.40, 327,459,047.10 and 156,765,163.60 is: 235,147,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,306,031.40 : 327,459,047.10 = 156,765,163.60 : x
  2. Step 2: Convert to fraction form
    218,306,031.40/327,459,047.10 = 156,765,163.60/x
  3. Step 3: Cross multiply
    218,306,031.40x = 327,459,047.10 × 156,765,163.60
  4. Step 4: Simplify right side
    218,306,031.40x = 51,334,171,090,931,608
  5. Step 5: Solve for x
    x = 51,334,171,090,931,608/218,306,031.40
  6. Step 6: Final answer
    x = 235,147,745.40

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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.