Home / 87,413,820.66-120,627,910.62-48,254,756.40

Finding the Fourth Proportional to 87,413,820.66, 120,627,910.62 and 48,254,756.40

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Solution

The fourth proportional to 87,413,820.66, 120,627,910.62 and 48,254,756.40 is: 66,589,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,413,820.66 : 120,627,910.62 = 48,254,756.40 : x
  2. Step 2: Convert to fraction form
    87,413,820.66/120,627,910.62 = 48,254,756.40/x
  3. Step 3: Cross multiply
    87,413,820.66x = 120,627,910.62 × 48,254,756.40
  4. Step 4: Simplify right side
    87,413,820.66x = 5,820,870,442,009,073
  5. Step 5: Solve for x
    x = 5,820,870,442,009,073/87,413,820.66
  6. Step 6: Final answer
    x = 66,589,818.38

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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.