Home / 140,832,223.61-194,345,574.39-78,098,199.89

Finding the Fourth Proportional to 140,832,223.61, 194,345,574.39 and 78,098,199.89

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Solution

The fourth proportional to 140,832,223.61, 194,345,574.39 and 78,098,199.89 is: 107,773,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,832,223.61 : 194,345,574.39 = 78,098,199.89 : x
  2. Step 2: Convert to fraction form
    140,832,223.61/194,345,574.39 = 78,098,199.89/x
  3. Step 3: Cross multiply
    140,832,223.61x = 194,345,574.39 × 78,098,199.89
  4. Step 4: Simplify right side
    140,832,223.61x = 15,178,039,515,475,356
  5. Step 5: Solve for x
    x = 15,178,039,515,475,356/140,832,223.61
  6. Step 6: Final answer
    x = 107,773,910.88

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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.