Home / 320,487,753.60-442,273,100.13-173,810,037.60

Finding the Fourth Proportional to 320,487,753.60, 442,273,100.13 and 173,810,037.60

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Solution

The fourth proportional to 320,487,753.60, 442,273,100.13 and 173,810,037.60 is: 239,857,851.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,487,753.60 : 442,273,100.13 = 173,810,037.60 : x
  2. Step 2: Convert to fraction form
    320,487,753.60/442,273,100.13 = 173,810,037.60/x
  3. Step 3: Cross multiply
    320,487,753.60x = 442,273,100.13 × 173,810,037.60
  4. Step 4: Simplify right side
    320,487,753.60x = 76,871,504,163,063,856
  5. Step 5: Solve for x
    x = 76,871,504,163,063,856/320,487,753.60
  6. Step 6: Final answer
    x = 239,857,851.98

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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.