Home / 52,110,966.82-78,167,115.44-13,772,149.69

Finding the Fourth Proportional to 52,110,966.82, 78,167,115.44 and 13,772,149.69

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Solution

The fourth proportional to 52,110,966.82, 78,167,115.44 and 13,772,149.69 is: 20,658,400.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,110,966.82 : 78,167,115.44 = 13,772,149.69 : x
  2. Step 2: Convert to fraction form
    52,110,966.82/78,167,115.44 = 13,772,149.69/x
  3. Step 3: Cross multiply
    52,110,966.82x = 78,167,115.44 × 13,772,149.69
  4. Step 4: Simplify right side
    52,110,966.82x = 1,076,529,214,479,772.38
  5. Step 5: Solve for x
    x = 1,076,529,214,479,772.38/52,110,966.82
  6. Step 6: Final answer
    x = 20,658,400.34

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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.