Home / 193,473,697.71-266,682,513.69-130,730,198.61

Finding the Fourth Proportional to 193,473,697.71, 266,682,513.69 and 130,730,198.61

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Solution

The fourth proportional to 193,473,697.71, 266,682,513.69 and 130,730,198.61 is: 180,197,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,473,697.71 : 266,682,513.69 = 130,730,198.61 : x
  2. Step 2: Convert to fraction form
    193,473,697.71/266,682,513.69 = 130,730,198.61/x
  3. Step 3: Cross multiply
    193,473,697.71x = 266,682,513.69 × 130,730,198.61
  4. Step 4: Simplify right side
    193,473,697.71x = 34,863,457,980,507,744
  5. Step 5: Solve for x
    x = 34,863,457,980,507,744/193,473,697.71
  6. Step 6: Final answer
    x = 180,197,403.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.