Home / 88,706,910.70-133,060,366.05-82,071,390.70

Finding the Fourth Proportional to 88,706,910.70, 133,060,366.05 and 82,071,390.70

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Solution

The fourth proportional to 88,706,910.70, 133,060,366.05 and 82,071,390.70 is: 123,107,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,706,910.70 : 133,060,366.05 = 82,071,390.70 : x
  2. Step 2: Convert to fraction form
    88,706,910.70/133,060,366.05 = 82,071,390.70/x
  3. Step 3: Cross multiply
    88,706,910.70x = 133,060,366.05 × 82,071,390.70
  4. Step 4: Simplify right side
    88,706,910.70x = 10,920,449,288,774,566
  5. Step 5: Solve for x
    x = 10,920,449,288,774,566/88,706,910.70
  6. Step 6: Final answer
    x = 123,107,086.05

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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.