Home / 79,746,532.64-119,619,799.02-19,162,258.64

Finding the Fourth Proportional to 79,746,532.64, 119,619,799.02 and 19,162,258.64

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Solution

The fourth proportional to 79,746,532.64, 119,619,799.02 and 19,162,258.64 is: 28,743,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,532.64 : 119,619,799.02 = 19,162,258.64 : x
  2. Step 2: Convert to fraction form
    79,746,532.64/119,619,799.02 = 19,162,258.64/x
  3. Step 3: Cross multiply
    79,746,532.64x = 119,619,799.02 × 19,162,258.64
  4. Step 4: Simplify right side
    79,746,532.64x = 2,292,185,527,286,058.50
  5. Step 5: Solve for x
    x = 2,292,185,527,286,058.50/79,746,532.64
  6. Step 6: Final answer
    x = 28,743,387.97

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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.