Home / 320,163,355-441,826,962.06-173,485,899.64

Finding the Fourth Proportional to 320,163,355, 441,826,962.06 and 173,485,899.64

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Solution

The fourth proportional to 320,163,355, 441,826,962.06 and 173,485,899.64 is: 239,411,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,163,355 : 441,826,962.06 = 173,485,899.64 : x
  2. Step 2: Convert to fraction form
    320,163,355/441,826,962.06 = 173,485,899.64/x
  3. Step 3: Cross multiply
    320,163,355x = 441,826,962.06 × 173,485,899.64
  4. Step 4: Simplify right side
    320,163,355x = 76,650,747,998,187,248
  5. Step 5: Solve for x
    x = 76,650,747,998,187,248/320,163,355
  6. Step 6: Final answer
    x = 239,411,371.73

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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.