Home / 202,820,671.52-304,227,862.32-81,649,164.32

Finding the Fourth Proportional to 202,820,671.52, 304,227,862.32 and 81,649,164.32

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Solution

The fourth proportional to 202,820,671.52, 304,227,862.32 and 81,649,164.32 is: 122,472,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,820,671.52 : 304,227,862.32 = 81,649,164.32 : x
  2. Step 2: Convert to fraction form
    202,820,671.52/304,227,862.32 = 81,649,164.32/x
  3. Step 3: Cross multiply
    202,820,671.52x = 304,227,862.32 × 81,649,164.32
  4. Step 4: Simplify right side
    202,820,671.52x = 24,839,950,721,288,012
  5. Step 5: Solve for x
    x = 24,839,950,721,288,012/202,820,671.52
  6. Step 6: Final answer
    x = 122,472,480.42

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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.