Home / 217,239,281.69-326,003,812.75-79,064,850.31

Finding the Fourth Proportional to 217,239,281.69, 326,003,812.75 and 79,064,850.31

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Solution

The fourth proportional to 217,239,281.69, 326,003,812.75 and 79,064,850.31 is: 118,650,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,239,281.69 : 326,003,812.75 = 79,064,850.31 : x
  2. Step 2: Convert to fraction form
    217,239,281.69/326,003,812.75 = 79,064,850.31/x
  3. Step 3: Cross multiply
    217,239,281.69x = 326,003,812.75 × 79,064,850.31
  4. Step 4: Simplify right side
    217,239,281.69x = 25,775,442,653,542,680
  5. Step 5: Solve for x
    x = 25,775,442,653,542,680/217,239,281.69
  6. Step 6: Final answer
    x = 118,650,008.66

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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.