Home / 231,925,178.61-320,056,952.40-127,505,026.53

Finding the Fourth Proportional to 231,925,178.61, 320,056,952.40 and 127,505,026.53

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Solution

The fourth proportional to 231,925,178.61, 320,056,952.40 and 127,505,026.53 is: 175,957,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,925,178.61 : 320,056,952.40 = 127,505,026.53 : x
  2. Step 2: Convert to fraction form
    231,925,178.61/320,056,952.40 = 127,505,026.53/x
  3. Step 3: Cross multiply
    231,925,178.61x = 320,056,952.40 × 127,505,026.53
  4. Step 4: Simplify right side
    231,925,178.61x = 40,808,870,206,872,944
  5. Step 5: Solve for x
    x = 40,808,870,206,872,944/231,925,178.61
  6. Step 6: Final answer
    x = 175,957,049.82

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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.