Home / 109,156,695.80-163,735,043.70-51,761,067.80

Finding the Fourth Proportional to 109,156,695.80, 163,735,043.70 and 51,761,067.80

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Solution

The fourth proportional to 109,156,695.80, 163,735,043.70 and 51,761,067.80 is: 77,641,601.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,695.80 : 163,735,043.70 = 51,761,067.80 : x
  2. Step 2: Convert to fraction form
    109,156,695.80/163,735,043.70 = 51,761,067.80/x
  3. Step 3: Cross multiply
    109,156,695.80x = 163,735,043.70 × 51,761,067.80
  4. Step 4: Simplify right side
    109,156,695.80x = 8,475,100,698,191,662
  5. Step 5: Solve for x
    x = 8,475,100,698,191,662/109,156,695.80
  6. Step 6: Final answer
    x = 77,641,601.70

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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.