Home / 228,480,120.43-315,293,723.10-124,055,802.11

Finding the Fourth Proportional to 228,480,120.43, 315,293,723.10 and 124,055,802.11

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Solution

The fourth proportional to 228,480,120.43, 315,293,723.10 and 124,055,802.11 is: 171,192,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,480,120.43 : 315,293,723.10 = 124,055,802.11 : x
  2. Step 2: Convert to fraction form
    228,480,120.43/315,293,723.10 = 124,055,802.11/x
  3. Step 3: Cross multiply
    228,480,120.43x = 315,293,723.10 × 124,055,802.11
  4. Step 4: Simplify right side
    228,480,120.43x = 39,114,015,720,206,976
  5. Step 5: Solve for x
    x = 39,114,015,720,206,976/228,480,120.43
  6. Step 6: Final answer
    x = 171,192,205.46

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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.