Home / 193,600,939.20-290,513,383.20-72,444,638.40

Finding the Fourth Proportional to 193,600,939.20, 290,513,383.20 and 72,444,638.40

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Solution

The fourth proportional to 193,600,939.20, 290,513,383.20 and 72,444,638.40 is: 108,708,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,600,939.20 : 290,513,383.20 = 72,444,638.40 : x
  2. Step 2: Convert to fraction form
    193,600,939.20/290,513,383.20 = 72,444,638.40/x
  3. Step 3: Cross multiply
    193,600,939.20x = 290,513,383.20 × 72,444,638.40
  4. Step 4: Simplify right side
    193,600,939.20x = 21,046,136,996,284,636
  5. Step 5: Solve for x
    x = 21,046,136,996,284,636/193,600,939.20
  6. Step 6: Final answer
    x = 108,708,857.94

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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.