Home / 117,103,683.96-161,550,091.98-70,679,097.72

Finding the Fourth Proportional to 117,103,683.96, 161,550,091.98 and 70,679,097.72

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Solution

The fourth proportional to 117,103,683.96, 161,550,091.98 and 70,679,097.72 is: 97,505,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,103,683.96 : 161,550,091.98 = 70,679,097.72 : x
  2. Step 2: Convert to fraction form
    117,103,683.96/161,550,091.98 = 70,679,097.72/x
  3. Step 3: Cross multiply
    117,103,683.96x = 161,550,091.98 × 70,679,097.72
  4. Step 4: Simplify right side
    117,103,683.96x = 11,418,214,737,729,408
  5. Step 5: Solve for x
    x = 11,418,214,737,729,408/117,103,683.96
  6. Step 6: Final answer
    x = 97,505,171.07

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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.