Home / 89,270,948.31-123,212,032.67-51,595,712.55

Finding the Fourth Proportional to 89,270,948.31, 123,212,032.67 and 51,595,712.55

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Solution

The fourth proportional to 89,270,948.31, 123,212,032.67 and 51,595,712.55 is: 71,212,558.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270,948.31 : 123,212,032.67 = 51,595,712.55 : x
  2. Step 2: Convert to fraction form
    89,270,948.31/123,212,032.67 = 51,595,712.55/x
  3. Step 3: Cross multiply
    89,270,948.31x = 123,212,032.67 × 51,595,712.55
  4. Step 4: Simplify right side
    89,270,948.31x = 6,357,212,620,084,550
  5. Step 5: Solve for x
    x = 6,357,212,620,084,550/89,270,948.31
  6. Step 6: Final answer
    x = 71,212,558.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.