Home / 143,481,073.51-215,255,761.32-46,436,781.23

Finding the Fourth Proportional to 143,481,073.51, 215,255,761.32 and 46,436,781.23

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Solution

The fourth proportional to 143,481,073.51, 215,255,761.32 and 46,436,781.23 is: 69,666,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,481,073.51 : 215,255,761.32 = 46,436,781.23 : x
  2. Step 2: Convert to fraction form
    143,481,073.51/215,255,761.32 = 46,436,781.23/x
  3. Step 3: Cross multiply
    143,481,073.51x = 215,255,761.32 × 46,436,781.23
  4. Step 4: Simplify right side
    143,481,073.51x = 9,995,784,696,470,728
  5. Step 5: Solve for x
    x = 9,995,784,696,470,728/143,481,073.51
  6. Step 6: Final answer
    x = 69,666,224.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.