Home / 145,310,207.40-200,576,670.66-86,591,288.88

Finding the Fourth Proportional to 145,310,207.40, 200,576,670.66 and 86,591,288.88

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Solution

The fourth proportional to 145,310,207.40, 200,576,670.66 and 86,591,288.88 is: 119,524,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,310,207.40 : 200,576,670.66 = 86,591,288.88 : x
  2. Step 2: Convert to fraction form
    145,310,207.40/200,576,670.66 = 86,591,288.88/x
  3. Step 3: Cross multiply
    145,310,207.40x = 200,576,670.66 × 86,591,288.88
  4. Step 4: Simplify right side
    145,310,207.40x = 17,368,192,431,708,678
  5. Step 5: Solve for x
    x = 17,368,192,431,708,678/145,310,207.40
  6. Step 6: Final answer
    x = 119,524,930.44

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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.