Home / 76,681,124.20-114,979,695.90-31,191,524.20

Finding the Fourth Proportional to 76,681,124.20, 114,979,695.90 and 31,191,524.20

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Solution

The fourth proportional to 76,681,124.20, 114,979,695.90 and 31,191,524.20 is: 46,770,205.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,681,124.20 : 114,979,695.90 = 31,191,524.20 : x
  2. Step 2: Convert to fraction form
    76,681,124.20/114,979,695.90 = 31,191,524.20/x
  3. Step 3: Cross multiply
    76,681,124.20x = 114,979,695.90 × 31,191,524.20
  4. Step 4: Simplify right side
    76,681,124.20x = 3,586,391,967,173,491
  5. Step 5: Solve for x
    x = 3,586,391,967,173,491/76,681,124.20
  6. Step 6: Final answer
    x = 46,770,205.90

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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.