Home / 140,652,003.59-194,099,764.93-78,772,342.15

Finding the Fourth Proportional to 140,652,003.59, 194,099,764.93 and 78,772,342.15

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Solution

The fourth proportional to 140,652,003.59, 194,099,764.93 and 78,772,342.15 is: 108,705,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,652,003.59 : 194,099,764.93 = 78,772,342.15 : x
  2. Step 2: Convert to fraction form
    140,652,003.59/194,099,764.93 = 78,772,342.15/x
  3. Step 3: Cross multiply
    140,652,003.59x = 194,099,764.93 × 78,772,342.15
  4. Step 4: Simplify right side
    140,652,003.59x = 15,289,693,094,346,226
  5. Step 5: Solve for x
    x = 15,289,693,094,346,226/140,652,003.59
  6. Step 6: Final answer
    x = 108,705,832.15

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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.