Home / 156,025,176-215,315,462.16-86,409,097.44

Finding the Fourth Proportional to 156,025,176, 215,315,462.16 and 86,409,097.44

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Solution

The fourth proportional to 156,025,176, 215,315,462.16 and 86,409,097.44 is: 119,244,952.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,025,176 : 215,315,462.16 = 86,409,097.44 : x
  2. Step 2: Convert to fraction form
    156,025,176/215,315,462.16 = 86,409,097.44/x
  3. Step 3: Cross multiply
    156,025,176x = 215,315,462.16 × 86,409,097.44
  4. Step 4: Simplify right side
    156,025,176x = 18,605,214,750,122,072
  5. Step 5: Solve for x
    x = 18,605,214,750,122,072/156,025,176
  6. Step 6: Final answer
    x = 119,244,952.82

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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.