Home / 165,646,148.63-228,601,912.31-91,306,541.50

Finding the Fourth Proportional to 165,646,148.63, 228,601,912.31 and 91,306,541.50

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Solution

The fourth proportional to 165,646,148.63, 228,601,912.31 and 91,306,541.50 is: 126,008,664.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,646,148.63 : 228,601,912.31 = 91,306,541.50 : x
  2. Step 2: Convert to fraction form
    165,646,148.63/228,601,912.31 = 91,306,541.50/x
  3. Step 3: Cross multiply
    165,646,148.63x = 228,601,912.31 × 91,306,541.50
  4. Step 4: Simplify right side
    165,646,148.63x = 20,872,849,992,284,340
  5. Step 5: Solve for x
    x = 20,872,849,992,284,340/165,646,148.63
  6. Step 6: Final answer
    x = 126,008,664.65

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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.