Home / 215,013,427.20-323,316,403.20-179,977,881.60

Finding the Fourth Proportional to 215,013,427.20, 323,316,403.20 and 179,977,881.60

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Solution

The fourth proportional to 215,013,427.20, 323,316,403.20 and 179,977,881.60 is: 270,633,337.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,013,427.20 : 323,316,403.20 = 179,977,881.60 : x
  2. Step 2: Convert to fraction form
    215,013,427.20/323,316,403.20 = 179,977,881.60/x
  3. Step 3: Cross multiply
    215,013,427.20x = 323,316,403.20 × 179,977,881.60
  4. Step 4: Simplify right side
    215,013,427.20x = 58,189,801,334,467,456
  5. Step 5: Solve for x
    x = 58,189,801,334,467,456/215,013,427.20
  6. Step 6: Final answer
    x = 270,633,337.15

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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.