Home / 143,971,022.88-215,915,243.76-46,935,200.16

Finding the Fourth Proportional to 143,971,022.88, 215,915,243.76 and 46,935,200.16

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Solution

The fourth proportional to 143,971,022.88, 215,915,243.76 and 46,935,200.16 is: 70,389,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,971,022.88 : 215,915,243.76 = 46,935,200.16 : x
  2. Step 2: Convert to fraction form
    143,971,022.88/215,915,243.76 = 46,935,200.16/x
  3. Step 3: Cross multiply
    143,971,022.88x = 215,915,243.76 × 46,935,200.16
  4. Step 4: Simplify right side
    143,971,022.88x = 10,134,025,183,470,790
  5. Step 5: Solve for x
    x = 10,134,025,183,470,790/143,971,022.88
  6. Step 6: Final answer
    x = 70,389,339.33

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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.