Home / 143,862,519.33-198,548,459.69-94,344,552.81

Finding the Fourth Proportional to 143,862,519.33, 198,548,459.69 and 94,344,552.81

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Solution

The fourth proportional to 143,862,519.33, 198,548,459.69 and 94,344,552.81 is: 130,207,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,862,519.33 : 198,548,459.69 = 94,344,552.81 : x
  2. Step 2: Convert to fraction form
    143,862,519.33/198,548,459.69 = 94,344,552.81/x
  3. Step 3: Cross multiply
    143,862,519.33x = 198,548,459.69 × 94,344,552.81
  4. Step 4: Simplify right side
    143,862,519.33x = 18,731,965,640,095,640
  5. Step 5: Solve for x
    x = 18,731,965,640,095,640/143,862,519.33
  6. Step 6: Final answer
    x = 130,207,407.23

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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.