Home / 202,990,755.74-280,127,519.43-110,171,264.78

Finding the Fourth Proportional to 202,990,755.74, 280,127,519.43 and 110,171,264.78

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Solution

The fourth proportional to 202,990,755.74, 280,127,519.43 and 110,171,264.78 is: 152,036,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,990,755.74 : 280,127,519.43 = 110,171,264.78 : x
  2. Step 2: Convert to fraction form
    202,990,755.74/280,127,519.43 = 110,171,264.78/x
  3. Step 3: Cross multiply
    202,990,755.74x = 280,127,519.43 × 110,171,264.78
  4. Step 4: Simplify right side
    202,990,755.74x = 30,862,003,115,287,124
  5. Step 5: Solve for x
    x = 30,862,003,115,287,124/202,990,755.74
  6. Step 6: Final answer
    x = 152,036,495.47

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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.