Home / 143,968,659.20-215,785,027.20-57,664,390.40

Finding the Fourth Proportional to 143,968,659.20, 215,785,027.20 and 57,664,390.40

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Solution

The fourth proportional to 143,968,659.20, 215,785,027.20 and 57,664,390.40 is: 86,429,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,968,659.20 : 215,785,027.20 = 57,664,390.40 : x
  2. Step 2: Convert to fraction form
    143,968,659.20/215,785,027.20 = 57,664,390.40/x
  3. Step 3: Cross multiply
    143,968,659.20x = 215,785,027.20 × 57,664,390.40
  4. Step 4: Simplify right side
    143,968,659.20x = 12,443,112,050,935,418
  5. Step 5: Solve for x
    x = 12,443,112,050,935,418/143,968,659.20
  6. Step 6: Final answer
    x = 86,429,311.21

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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.