Home / 109,037,809.60-163,336,264.80-67,971,198.40

Finding the Fourth Proportional to 109,037,809.60, 163,336,264.80 and 67,971,198.40

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Solution

The fourth proportional to 109,037,809.60, 163,336,264.80 and 67,971,198.40 is: 101,819,375.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,037,809.60 : 163,336,264.80 = 67,971,198.40 : x
  2. Step 2: Convert to fraction form
    109,037,809.60/163,336,264.80 = 67,971,198.40/x
  3. Step 3: Cross multiply
    109,037,809.60x = 163,336,264.80 × 67,971,198.40
  4. Step 4: Simplify right side
    109,037,809.60x = 11,102,161,660,635,738
  5. Step 5: Solve for x
    x = 11,102,161,660,635,738/109,037,809.60
  6. Step 6: Final answer
    x = 101,819,375.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.