Home / 140,617,611.69-194,053,856.08-77,894,670.39

Finding the Fourth Proportional to 140,617,611.69, 194,053,856.08 and 77,894,670.39

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Solution

The fourth proportional to 140,617,611.69, 194,053,856.08 and 77,894,670.39 is: 107,495,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,611.69 : 194,053,856.08 = 77,894,670.39 : x
  2. Step 2: Convert to fraction form
    140,617,611.69/194,053,856.08 = 77,894,670.39/x
  3. Step 3: Cross multiply
    140,617,611.69x = 194,053,856.08 × 77,894,670.39
  4. Step 4: Simplify right side
    140,617,611.69x = 15,115,761,157,260,098
  5. Step 5: Solve for x
    x = 15,115,761,157,260,098/140,617,611.69
  6. Step 6: Final answer
    x = 107,495,504.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.