Home / 140,870,557.60-211,305,836.40-128,777,322.40

Finding the Fourth Proportional to 140,870,557.60, 211,305,836.40 and 128,777,322.40

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Solution

The fourth proportional to 140,870,557.60, 211,305,836.40 and 128,777,322.40 is: 193,165,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,870,557.60 : 211,305,836.40 = 128,777,322.40 : x
  2. Step 2: Convert to fraction form
    140,870,557.60/211,305,836.40 = 128,777,322.40/x
  3. Step 3: Cross multiply
    140,870,557.60x = 211,305,836.40 × 128,777,322.40
  4. Step 4: Simplify right side
    140,870,557.60x = 27,211,399,819,084,456
  5. Step 5: Solve for x
    x = 27,211,399,819,084,456/140,870,557.60
  6. Step 6: Final answer
    x = 193,165,983.60

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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.