Home / 117,101,084.81-161,600,459.81-64,890,992.36

Finding the Fourth Proportional to 117,101,084.81, 161,600,459.81 and 64,890,992.36

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Solution

The fourth proportional to 117,101,084.81, 161,600,459.81 and 64,890,992.36 is: 89,550,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101,084.81 : 161,600,459.81 = 64,890,992.36 : x
  2. Step 2: Convert to fraction form
    117,101,084.81/161,600,459.81 = 64,890,992.36/x
  3. Step 3: Cross multiply
    117,101,084.81x = 161,600,459.81 × 64,890,992.36
  4. Step 4: Simplify right side
    117,101,084.81x = 10,486,414,202,982,744
  5. Step 5: Solve for x
    x = 10,486,414,202,982,744/117,101,084.81
  6. Step 6: Final answer
    x = 89,550,102.98

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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.