Home / 163,438,797.68-225,548,041.56-89,099,408.24

Finding the Fourth Proportional to 163,438,797.68, 225,548,041.56 and 89,099,408.24

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Solution

The fourth proportional to 163,438,797.68, 225,548,041.56 and 89,099,408.24 is: 122,958,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,438,797.68 : 225,548,041.56 = 89,099,408.24 : x
  2. Step 2: Convert to fraction form
    163,438,797.68/225,548,041.56 = 89,099,408.24/x
  3. Step 3: Cross multiply
    163,438,797.68x = 225,548,041.56 × 89,099,408.24
  4. Step 4: Simplify right side
    163,438,797.68x = 20,096,197,032,686,924
  5. Step 5: Solve for x
    x = 20,096,197,032,686,924/163,438,797.68
  6. Step 6: Final answer
    x = 122,958,546.67

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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.