Home / 140,784,979.92-211,177,863.54-43,754,875.80

Finding the Fourth Proportional to 140,784,979.92, 211,177,863.54 and 43,754,875.80

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Solution

The fourth proportional to 140,784,979.92, 211,177,863.54 and 43,754,875.80 is: 65,632,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,784,979.92 : 211,177,863.54 = 43,754,875.80 : x
  2. Step 2: Convert to fraction form
    140,784,979.92/211,177,863.54 = 43,754,875.80/x
  3. Step 3: Cross multiply
    140,784,979.92x = 211,177,863.54 × 43,754,875.80
  4. Step 4: Simplify right side
    140,784,979.92x = 9,240,061,190,902,048
  5. Step 5: Solve for x
    x = 9,240,061,190,902,048/140,784,979.92
  6. Step 6: Final answer
    x = 65,632,436.05

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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.