Home / 219,128,276.20-328,667,531.10-57,586,541.80

Finding the Fourth Proportional to 219,128,276.20, 328,667,531.10 and 57,586,541.80

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Solution

The fourth proportional to 219,128,276.20, 328,667,531.10 and 57,586,541.80 is: 86,373,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,128,276.20 : 328,667,531.10 = 57,586,541.80 : x
  2. Step 2: Convert to fraction form
    219,128,276.20/328,667,531.10 = 57,586,541.80/x
  3. Step 3: Cross multiply
    219,128,276.20x = 328,667,531.10 × 57,586,541.80
  4. Step 4: Simplify right side
    219,128,276.20x = 18,926,826,517,992,952
  5. Step 5: Solve for x
    x = 18,926,826,517,992,952/219,128,276.20
  6. Step 6: Final answer
    x = 86,373,273.44

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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.