Home / 110,811,781.60-166,217,672.40-69,997,112.80

Finding the Fourth Proportional to 110,811,781.60, 166,217,672.40 and 69,997,112.80

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Solution

The fourth proportional to 110,811,781.60, 166,217,672.40 and 69,997,112.80 is: 104,995,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,811,781.60 : 166,217,672.40 = 69,997,112.80 : x
  2. Step 2: Convert to fraction form
    110,811,781.60/166,217,672.40 = 69,997,112.80/x
  3. Step 3: Cross multiply
    110,811,781.60x = 166,217,672.40 × 69,997,112.80
  4. Step 4: Simplify right side
    110,811,781.60x = 11,634,757,164,336,246
  5. Step 5: Solve for x
    x = 11,634,757,164,336,246/110,811,781.60
  6. Step 6: Final answer
    x = 104,995,669.20

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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.