Home / 91,778,171.60-126,649,996.86-49,961,367.56

Finding the Fourth Proportional to 91,778,171.60, 126,649,996.86 and 49,961,367.56

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Solution

The fourth proportional to 91,778,171.60, 126,649,996.86 and 49,961,367.56 is: 68,944,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,778,171.60 : 126,649,996.86 = 49,961,367.56 : x
  2. Step 2: Convert to fraction form
    91,778,171.60/126,649,996.86 = 49,961,367.56/x
  3. Step 3: Cross multiply
    91,778,171.60x = 126,649,996.86 × 49,961,367.56
  4. Step 4: Simplify right side
    91,778,171.60x = 6,327,607,044,595,306
  5. Step 5: Solve for x
    x = 6,327,607,044,595,306/91,778,171.60
  6. Step 6: Final answer
    x = 68,944,575.10

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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.