Home / 136,485,067.80-204,727,601.70-84,829,002.60

Finding the Fourth Proportional to 136,485,067.80, 204,727,601.70 and 84,829,002.60

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Solution

The fourth proportional to 136,485,067.80, 204,727,601.70 and 84,829,002.60 is: 127,243,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,485,067.80 : 204,727,601.70 = 84,829,002.60 : x
  2. Step 2: Convert to fraction form
    136,485,067.80/204,727,601.70 = 84,829,002.60/x
  3. Step 3: Cross multiply
    136,485,067.80x = 204,727,601.70 × 84,829,002.60
  4. Step 4: Simplify right side
    136,485,067.80x = 17,366,838,256,901,062
  5. Step 5: Solve for x
    x = 17,366,838,256,901,062/136,485,067.80
  6. Step 6: Final answer
    x = 127,243,503.90

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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.