Home / 215,014,562.10-322,601,559.30-85,714,966.80

Finding the Fourth Proportional to 215,014,562.10, 322,601,559.30 and 85,714,966.80

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Solution

The fourth proportional to 215,014,562.10, 322,601,559.30 and 85,714,966.80 is: 128,604,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,014,562.10 : 322,601,559.30 = 85,714,966.80 : x
  2. Step 2: Convert to fraction form
    215,014,562.10/322,601,559.30 = 85,714,966.80/x
  3. Step 3: Cross multiply
    215,014,562.10x = 322,601,559.30 × 85,714,966.80
  4. Step 4: Simplify right side
    215,014,562.10x = 27,651,781,945,027,732
  5. Step 5: Solve for x
    x = 27,651,781,945,027,732/215,014,562.10
  6. Step 6: Final answer
    x = 128,604,228.83

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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.