Home / 310,132,025.82-427,976,652.96-169,004,472.30

Finding the Fourth Proportional to 310,132,025.82, 427,976,652.96 and 169,004,472.30

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Solution

The fourth proportional to 310,132,025.82, 427,976,652.96 and 169,004,472.30 is: 233,223,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,132,025.82 : 427,976,652.96 = 169,004,472.30 : x
  2. Step 2: Convert to fraction form
    310,132,025.82/427,976,652.96 = 169,004,472.30/x
  3. Step 3: Cross multiply
    310,132,025.82x = 427,976,652.96 × 169,004,472.30
  4. Step 4: Simplify right side
    310,132,025.82x = 72,329,968,390,225,040
  5. Step 5: Solve for x
    x = 72,329,968,390,225,040/310,132,025.82
  6. Step 6: Final answer
    x = 233,223,151.33

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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.