Home / 140,652,006.59-194,099,769.08-78,772,345.16

Finding the Fourth Proportional to 140,652,006.59, 194,099,769.08 and 78,772,345.16

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Solution

The fourth proportional to 140,652,006.59, 194,099,769.08 and 78,772,345.16 is: 108,705,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,652,006.59 : 194,099,769.08 = 78,772,345.16 : x
  2. Step 2: Convert to fraction form
    140,652,006.59/194,099,769.08 = 78,772,345.16/x
  3. Step 3: Cross multiply
    140,652,006.59x = 194,099,769.08 × 78,772,345.16
  4. Step 4: Simplify right side
    140,652,006.59x = 15,289,694,004,081,694
  5. Step 5: Solve for x
    x = 15,289,694,004,081,694/140,652,006.59
  6. Step 6: Final answer
    x = 108,705,836.31

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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.