Home / 156,626,309.88-216,164,238.06-94,747,091.64

Finding the Fourth Proportional to 156,626,309.88, 216,164,238.06 and 94,747,091.64

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Solution

The fourth proportional to 156,626,309.88, 216,164,238.06 and 94,747,091.64 is: 130,763,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626,309.88 : 216,164,238.06 = 94,747,091.64 : x
  2. Step 2: Convert to fraction form
    156,626,309.88/216,164,238.06 = 94,747,091.64/x
  3. Step 3: Cross multiply
    156,626,309.88x = 216,164,238.06 × 94,747,091.64
  4. Step 4: Simplify right side
    156,626,309.88x = 20,480,932,872,761,596
  5. Step 5: Solve for x
    x = 20,480,932,872,761,596/156,626,309.88
  6. Step 6: Final answer
    x = 130,763,042.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.