Home / 82,781,667.86-114,241,291.78-47,505,926.48

Finding the Fourth Proportional to 82,781,667.86, 114,241,291.78 and 47,505,926.48

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Solution

The fourth proportional to 82,781,667.86, 114,241,291.78 and 47,505,926.48 is: 65,559,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,781,667.86 : 114,241,291.78 = 47,505,926.48 : x
  2. Step 2: Convert to fraction form
    82,781,667.86/114,241,291.78 = 47,505,926.48/x
  3. Step 3: Cross multiply
    82,781,667.86x = 114,241,291.78 × 47,505,926.48
  4. Step 4: Simplify right side
    82,781,667.86x = 5,427,138,408,280,908
  5. Step 5: Solve for x
    x = 5,427,138,408,280,908/82,781,667.86
  6. Step 6: Final answer
    x = 65,559,664.94

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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.