Home / 82,911,624.84-124,383,377.88-31,789,656.36

Finding the Fourth Proportional to 82,911,624.84, 124,383,377.88 and 31,789,656.36

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Solution

The fourth proportional to 82,911,624.84, 124,383,377.88 and 31,789,656.36 is: 47,690,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,911,624.84 : 124,383,377.88 = 31,789,656.36 : x
  2. Step 2: Convert to fraction form
    82,911,624.84/124,383,377.88 = 31,789,656.36/x
  3. Step 3: Cross multiply
    82,911,624.84x = 124,383,377.88 × 31,789,656.36
  4. Step 4: Simplify right side
    82,911,624.84x = 3,954,104,839,701,225
  5. Step 5: Solve for x
    x = 3,954,104,839,701,225/82,911,624.84
  6. Step 6: Final answer
    x = 47,690,596.43

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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.