Home / 211,042,734.96-316,096,375.96-162,160,777.20

Finding the Fourth Proportional to 211,042,734.96, 316,096,375.96 and 162,160,777.20

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Solution

The fourth proportional to 211,042,734.96, 316,096,375.96 and 162,160,777.20 is: 242,881,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,042,734.96 : 316,096,375.96 = 162,160,777.20 : x
  2. Step 2: Convert to fraction form
    211,042,734.96/316,096,375.96 = 162,160,777.20/x
  3. Step 3: Cross multiply
    211,042,734.96x = 316,096,375.96 × 162,160,777.20
  4. Step 4: Simplify right side
    211,042,734.96x = 51,258,433,995,776,992
  5. Step 5: Solve for x
    x = 51,258,433,995,776,992/211,042,734.96
  6. Step 6: Final answer
    x = 242,881,774.66

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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.