Home / 147,034,180.40-220,215,347.40-86,568,004.40

Finding the Fourth Proportional to 147,034,180.40, 220,215,347.40 and 86,568,004.40

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Solution

The fourth proportional to 147,034,180.40, 220,215,347.40 and 86,568,004.40 is: 129,654,228.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,034,180.40 : 220,215,347.40 = 86,568,004.40 : x
  2. Step 2: Convert to fraction form
    147,034,180.40/220,215,347.40 = 86,568,004.40/x
  3. Step 3: Cross multiply
    147,034,180.40x = 220,215,347.40 × 86,568,004.40
  4. Step 4: Simplify right side
    147,034,180.40x = 19,063,603,162,670,732
  5. Step 5: Solve for x
    x = 19,063,603,162,670,732/147,034,180.40
  6. Step 6: Final answer
    x = 129,654,228.09

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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.