Home / 163,438,799.68-225,548,044.32-89,099,410.24

Finding the Fourth Proportional to 163,438,799.68, 225,548,044.32 and 89,099,410.24

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Solution

The fourth proportional to 163,438,799.68, 225,548,044.32 and 89,099,410.24 is: 122,958,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,438,799.68 : 225,548,044.32 = 89,099,410.24 : x
  2. Step 2: Convert to fraction form
    163,438,799.68/225,548,044.32 = 89,099,410.24/x
  3. Step 3: Cross multiply
    163,438,799.68x = 225,548,044.32 × 89,099,410.24
  4. Step 4: Simplify right side
    163,438,799.68x = 20,096,197,729,697,380
  5. Step 5: Solve for x
    x = 20,096,197,729,697,380/163,438,799.68
  6. Step 6: Final answer
    x = 122,958,549.43

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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.