Home / 163,301,311.12-225,355,797.40-89,962,453.12

Finding the Fourth Proportional to 163,301,311.12, 225,355,797.40 and 89,962,453.12

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Solution

The fourth proportional to 163,301,311.12, 225,355,797.40 and 89,962,453.12 is: 124,148,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,301,311.12 : 225,355,797.40 = 89,962,453.12 : x
  2. Step 2: Convert to fraction form
    163,301,311.12/225,355,797.40 = 89,962,453.12/x
  3. Step 3: Cross multiply
    163,301,311.12x = 225,355,797.40 × 89,962,453.12
  4. Step 4: Simplify right side
    163,301,311.12x = 20,273,560,358,917,720
  5. Step 5: Solve for x
    x = 20,273,560,358,917,720/163,301,311.12
  6. Step 6: Final answer
    x = 124,148,178.72

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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.