Home / 155,078,530.92-214,009,833.78-85,466,418.12

Finding the Fourth Proportional to 155,078,530.92, 214,009,833.78 and 85,466,418.12

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Solution

The fourth proportional to 155,078,530.92, 214,009,833.78 and 85,466,418.12 is: 117,944,462.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,078,530.92 : 214,009,833.78 = 85,466,418.12 : x
  2. Step 2: Convert to fraction form
    155,078,530.92/214,009,833.78 = 85,466,418.12/x
  3. Step 3: Cross multiply
    155,078,530.92x = 214,009,833.78 × 85,466,418.12
  4. Step 4: Simplify right side
    155,078,530.92x = 18,290,653,935,633,180
  5. Step 5: Solve for x
    x = 18,290,653,935,633,180/155,078,530.92
  6. Step 6: Final answer
    x = 117,944,462.25

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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.