Home / 142,435,160.19-213,648,754.46-45,396,690.80

Finding the Fourth Proportional to 142,435,160.19, 213,648,754.46 and 45,396,690.80

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Solution

The fourth proportional to 142,435,160.19, 213,648,754.46 and 45,396,690.80 is: 68,093,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,435,160.19 : 213,648,754.46 = 45,396,690.80 : x
  2. Step 2: Convert to fraction form
    142,435,160.19/213,648,754.46 = 45,396,690.80/x
  3. Step 3: Cross multiply
    142,435,160.19x = 213,648,754.46 × 45,396,690.80
  4. Step 4: Simplify right side
    142,435,160.19x = 9,698,946,444,730,514
  5. Step 5: Solve for x
    x = 9,698,946,444,730,514/142,435,160.19
  6. Step 6: Final answer
    x = 68,093,765.84

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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.