Home / 76,680,336.80-114,992,511.60-25,564,023.20

Finding the Fourth Proportional to 76,680,336.80, 114,992,511.60 and 25,564,023.20

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Solution

The fourth proportional to 76,680,336.80, 114,992,511.60 and 25,564,023.20 is: 38,336,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,680,336.80 : 114,992,511.60 = 25,564,023.20 : x
  2. Step 2: Convert to fraction form
    76,680,336.80/114,992,511.60 = 25,564,023.20/x
  3. Step 3: Cross multiply
    76,680,336.80x = 114,992,511.60 × 25,564,023.20
  4. Step 4: Simplify right side
    76,680,336.80x = 2,939,671,234,368,669
  5. Step 5: Solve for x
    x = 2,939,671,234,368,669/76,680,336.80
  6. Step 6: Final answer
    x = 38,336,702.17

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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.