Home / 172,320,012.40-258,480,018.60-165,517,567.60

Finding the Fourth Proportional to 172,320,012.40, 258,480,018.60 and 165,517,567.60

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Solution

The fourth proportional to 172,320,012.40, 258,480,018.60 and 165,517,567.60 is: 248,276,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,320,012.40 : 258,480,018.60 = 165,517,567.60 : x
  2. Step 2: Convert to fraction form
    172,320,012.40/258,480,018.60 = 165,517,567.60/x
  3. Step 3: Cross multiply
    172,320,012.40x = 258,480,018.60 × 165,517,567.60
  4. Step 4: Simplify right side
    172,320,012.40x = 42,782,983,951,874,752
  5. Step 5: Solve for x
    x = 42,782,983,951,874,752/172,320,012.40
  6. Step 6: Final answer
    x = 248,276,351.40

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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.