Home / 220,064,607.40-329,886,959.10-81,853,205.80

Finding the Fourth Proportional to 220,064,607.40, 329,886,959.10 and 81,853,205.80

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Solution

The fourth proportional to 220,064,607.40, 329,886,959.10 and 81,853,205.80 is: 122,701,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,064,607.40 : 329,886,959.10 = 81,853,205.80 : x
  2. Step 2: Convert to fraction form
    220,064,607.40/329,886,959.10 = 81,853,205.80/x
  3. Step 3: Cross multiply
    220,064,607.40x = 329,886,959.10 × 81,853,205.80
  4. Step 4: Simplify right side
    220,064,607.40x = 27,002,305,153,948,484
  5. Step 5: Solve for x
    x = 27,002,305,153,948,484/220,064,607.40
  6. Step 6: Final answer
    x = 122,701,716.89

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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.