Home / 87,483,796.80-120,725,300.58-48,324,730.74

Finding the Fourth Proportional to 87,483,796.80, 120,725,300.58 and 48,324,730.74

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Solution

The fourth proportional to 87,483,796.80, 120,725,300.58 and 48,324,730.74 is: 66,686,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,483,796.80 : 120,725,300.58 = 48,324,730.74 : x
  2. Step 2: Convert to fraction form
    87,483,796.80/120,725,300.58 = 48,324,730.74/x
  3. Step 3: Cross multiply
    87,483,796.80x = 120,725,300.58 × 48,324,730.74
  4. Step 4: Simplify right side
    87,483,796.80x = 5,834,017,644,034,066
  5. Step 5: Solve for x
    x = 5,834,017,644,034,066/87,483,796.80
  6. Step 6: Final answer
    x = 66,686,836.39

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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.