Home / 146,564,145.60-219,846,218.40-74,751,230.40

Finding the Fourth Proportional to 146,564,145.60, 219,846,218.40 and 74,751,230.40

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Solution

The fourth proportional to 146,564,145.60, 219,846,218.40 and 74,751,230.40 is: 112,126,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,564,145.60 : 219,846,218.40 = 74,751,230.40 : x
  2. Step 2: Convert to fraction form
    146,564,145.60/219,846,218.40 = 74,751,230.40/x
  3. Step 3: Cross multiply
    146,564,145.60x = 219,846,218.40 × 74,751,230.40
  4. Step 4: Simplify right side
    146,564,145.60x = 16,433,775,324,187,122
  5. Step 5: Solve for x
    x = 16,433,775,324,187,122/146,564,145.60
  6. Step 6: Final answer
    x = 112,126,845.60

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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.