Home / 221,932,478.64-333,030,231-123,646,451.52

Finding the Fourth Proportional to 221,932,478.64, 333,030,231 and 123,646,451.52

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Solution

The fourth proportional to 221,932,478.64, 333,030,231 and 123,646,451.52 is: 185,542,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,932,478.64 : 333,030,231 = 123,646,451.52 : x
  2. Step 2: Convert to fraction form
    221,932,478.64/333,030,231 = 123,646,451.52/x
  3. Step 3: Cross multiply
    221,932,478.64x = 333,030,231 × 123,646,451.52
  4. Step 4: Simplify right side
    221,932,478.64x = 41,178,006,312,035,896
  5. Step 5: Solve for x
    x = 41,178,006,312,035,896/221,932,478.64
  6. Step 6: Final answer
    x = 185,542,947.86

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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.