Home / 116,772,515.92-161,143,235.16-64,560,209.12

Finding the Fourth Proportional to 116,772,515.92, 161,143,235.16 and 64,560,209.12

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Solution

The fourth proportional to 116,772,515.92, 161,143,235.16 and 64,560,209.12 is: 89,091,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,772,515.92 : 161,143,235.16 = 64,560,209.12 : x
  2. Step 2: Convert to fraction form
    116,772,515.92/161,143,235.16 = 64,560,209.12/x
  3. Step 3: Cross multiply
    116,772,515.92x = 161,143,235.16 × 64,560,209.12
  4. Step 4: Simplify right side
    116,772,515.92x = 10,403,440,960,202,936
  5. Step 5: Solve for x
    x = 10,403,440,960,202,936/116,772,515.92
  6. Step 6: Final answer
    x = 89,091,520.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.