Home / 221,262,611.40-331,893,917.10-83,087,951.40

Finding the Fourth Proportional to 221,262,611.40, 331,893,917.10 and 83,087,951.40

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Solution

The fourth proportional to 221,262,611.40, 331,893,917.10 and 83,087,951.40 is: 124,631,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,262,611.40 : 331,893,917.10 = 83,087,951.40 : x
  2. Step 2: Convert to fraction form
    221,262,611.40/331,893,917.10 = 83,087,951.40/x
  3. Step 3: Cross multiply
    221,262,611.40x = 331,893,917.10 × 83,087,951.40
  4. Step 4: Simplify right side
    221,262,611.40x = 27,576,385,653,960,432
  5. Step 5: Solve for x
    x = 27,576,385,653,960,432/221,262,611.40
  6. Step 6: Final answer
    x = 124,631,927.10

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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.