Home / 117,122,073.03-161,628,475.83-64,914,479.19

Finding the Fourth Proportional to 117,122,073.03, 161,628,475.83 and 64,914,479.19

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Solution

The fourth proportional to 117,122,073.03, 161,628,475.83 and 64,914,479.19 is: 89,581,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,122,073.03 : 161,628,475.83 = 64,914,479.19 : x
  2. Step 2: Convert to fraction form
    117,122,073.03/161,628,475.83 = 64,914,479.19/x
  3. Step 3: Cross multiply
    117,122,073.03x = 161,628,475.83 × 64,914,479.19
  4. Step 4: Simplify right side
    117,122,073.03x = 10,492,028,330,777,954
  5. Step 5: Solve for x
    x = 10,492,028,330,777,954/117,122,073.03
  6. Step 6: Final answer
    x = 89,581,989.62

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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.