Home / 163,226,716,125.45-225,253,548,621.57-89,981,337,739.98

Finding the Fourth Proportional to 163,226,716,125.45, 225,253,548,621.57 and 89,981,337,739.98

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Solution

The fourth proportional to 163,226,716,125.45, 225,253,548,621.57 and 89,981,337,739.98 is: 124,174,621,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,226,716,125.45 : 225,253,548,621.57 = 89,981,337,739.98 : x
  2. Step 2: Convert to fraction form
    163,226,716,125.45/225,253,548,621.57 = 89,981,337,739.98/x
  3. Step 3: Cross multiply
    163,226,716,125.45x = 225,253,548,621.57 × 89,981,337,739.98
  4. Step 4: Simplify right side
    163,226,716,125.45x = 20,268,615,635,645,373,612,032
  5. Step 5: Solve for x
    x = 20,268,615,635,645,373,612,032/163,226,716,125.45
  6. Step 6: Final answer
    x = 124,174,621,145.15

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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.