Home / 140,465,979.94-210,279,179.86-84,965,854.84

Finding the Fourth Proportional to 140,465,979.94, 210,279,179.86 and 84,965,854.84

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Solution

The fourth proportional to 140,465,979.94, 210,279,179.86 and 84,965,854.84 is: 127,194,857.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,465,979.94 : 210,279,179.86 = 84,965,854.84 : x
  2. Step 2: Convert to fraction form
    140,465,979.94/210,279,179.86 = 84,965,854.84/x
  3. Step 3: Cross multiply
    140,465,979.94x = 210,279,179.86 × 84,965,854.84
  4. Step 4: Simplify right side
    140,465,979.94x = 17,866,550,271,859,014
  5. Step 5: Solve for x
    x = 17,866,550,271,859,014/140,465,979.94
  6. Step 6: Final answer
    x = 127,194,857.28

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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.