Home / 117,505,680.80-176,258,521.20-74,423,530.40

Finding the Fourth Proportional to 117,505,680.80, 176,258,521.20 and 74,423,530.40

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Solution

The fourth proportional to 117,505,680.80, 176,258,521.20 and 74,423,530.40 is: 111,635,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,505,680.80 : 176,258,521.20 = 74,423,530.40 : x
  2. Step 2: Convert to fraction form
    117,505,680.80/176,258,521.20 = 74,423,530.40/x
  3. Step 3: Cross multiply
    117,505,680.80x = 176,258,521.20 × 74,423,530.40
  4. Step 4: Simplify right side
    117,505,680.80x = 13,117,781,410,787,244
  5. Step 5: Solve for x
    x = 13,117,781,410,787,244/117,505,680.80
  6. Step 6: Final answer
    x = 111,635,295.60

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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.