Home / 205,000,885.20-307,501,327.80-109,449,397.20

Finding the Fourth Proportional to 205,000,885.20, 307,501,327.80 and 109,449,397.20

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Solution

The fourth proportional to 205,000,885.20, 307,501,327.80 and 109,449,397.20 is: 164,174,095.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,000,885.20 : 307,501,327.80 = 109,449,397.20 : x
  2. Step 2: Convert to fraction form
    205,000,885.20/307,501,327.80 = 109,449,397.20/x
  3. Step 3: Cross multiply
    205,000,885.20x = 307,501,327.80 × 109,449,397.20
  4. Step 4: Simplify right side
    205,000,885.20x = 33,655,834,965,909,604
  5. Step 5: Solve for x
    x = 33,655,834,965,909,604/205,000,885.20
  6. Step 6: Final answer
    x = 164,174,095.80

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1.5x scale

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.