Home / 136,046,728.09-204,188,013.02-71,396,208.73

Finding the Fourth Proportional to 136,046,728.09, 204,188,013.02 and 71,396,208.73

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Solution

The fourth proportional to 136,046,728.09, 204,188,013.02 and 71,396,208.73 is: 107,156,197.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,046,728.09 : 204,188,013.02 = 71,396,208.73 : x
  2. Step 2: Convert to fraction form
    136,046,728.09/204,188,013.02 = 71,396,208.73/x
  3. Step 3: Cross multiply
    136,046,728.09x = 204,188,013.02 × 71,396,208.73
  4. Step 4: Simplify right side
    136,046,728.09x = 14,578,249,997,739,880
  5. Step 5: Solve for x
    x = 14,578,249,997,739,880/136,046,728.09
  6. Step 6: Final answer
    x = 107,156,197.01

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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.