Home / 262,646,778.22-362,446,231.80-143,564,026.78

Finding the Fourth Proportional to 262,646,778.22, 362,446,231.80 and 143,564,026.78

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Solution

The fourth proportional to 262,646,778.22, 362,446,231.80 and 143,564,026.78 is: 198,114,901.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,646,778.22 : 362,446,231.80 = 143,564,026.78 : x
  2. Step 2: Convert to fraction form
    262,646,778.22/362,446,231.80 = 143,564,026.78/x
  3. Step 3: Cross multiply
    262,646,778.22x = 362,446,231.80 × 143,564,026.78
  4. Step 4: Simplify right side
    262,646,778.22x = 52,034,240,528,445,288
  5. Step 5: Solve for x
    x = 52,034,240,528,445,288/262,646,778.22
  6. Step 6: Final answer
    x = 198,114,901.24

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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.