Home / 215,638,952.78-323,343,345.13-111,903,708.96

Finding the Fourth Proportional to 215,638,952.78, 323,343,345.13 and 111,903,708.96

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Solution

The fourth proportional to 215,638,952.78, 323,343,345.13 and 111,903,708.96 is: 167,795,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,638,952.78 : 323,343,345.13 = 111,903,708.96 : x
  2. Step 2: Convert to fraction form
    215,638,952.78/323,343,345.13 = 111,903,708.96/x
  3. Step 3: Cross multiply
    215,638,952.78x = 323,343,345.13 × 111,903,708.96
  4. Step 4: Simplify right side
    215,638,952.78x = 36,183,319,587,580,352
  5. Step 5: Solve for x
    x = 36,183,319,587,580,352/215,638,952.78
  6. Step 6: Final answer
    x = 167,795,841.71

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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.