Home / 320,487,752.28-442,273,098.06-173,810,036.28

Finding the Fourth Proportional to 320,487,752.28, 442,273,098.06 and 173,810,036.28

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Solution

The fourth proportional to 320,487,752.28, 442,273,098.06 and 173,810,036.28 is: 239,857,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,487,752.28 : 442,273,098.06 = 173,810,036.28 : x
  2. Step 2: Convert to fraction form
    320,487,752.28/442,273,098.06 = 173,810,036.28/x
  3. Step 3: Cross multiply
    320,487,752.28x = 442,273,098.06 × 173,810,036.28
  4. Step 4: Simplify right side
    320,487,752.28x = 76,871,503,219,476,592
  5. Step 5: Solve for x
    x = 76,871,503,219,476,592/320,487,752.28
  6. Step 6: Final answer
    x = 239,857,850.02

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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.