Home / 163,372,011.48-225,453,380.52-90,033,153.48

Finding the Fourth Proportional to 163,372,011.48, 225,453,380.52 and 90,033,153.48

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Solution

The fourth proportional to 163,372,011.48, 225,453,380.52 and 90,033,153.48 is: 124,245,754.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,372,011.48 : 225,453,380.52 = 90,033,153.48 : x
  2. Step 2: Convert to fraction form
    163,372,011.48/225,453,380.52 = 90,033,153.48/x
  3. Step 3: Cross multiply
    163,372,011.48x = 225,453,380.52 × 90,033,153.48
  4. Step 4: Simplify right side
    163,372,011.48x = 20,298,278,810,942,004
  5. Step 5: Solve for x
    x = 20,298,278,810,942,004/163,372,011.48
  6. Step 6: Final answer
    x = 124,245,754.38

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1.5x scale

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.