Home / 143,725,812.20-215,620,211.10-46,665,002.60

Finding the Fourth Proportional to 143,725,812.20, 215,620,211.10 and 46,665,002.60

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Solution

The fourth proportional to 143,725,812.20, 215,620,211.10 and 46,665,002.60 is: 70,007,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,725,812.20 : 215,620,211.10 = 46,665,002.60 : x
  2. Step 2: Convert to fraction form
    143,725,812.20/215,620,211.10 = 46,665,002.60/x
  3. Step 3: Cross multiply
    143,725,812.20x = 215,620,211.10 × 46,665,002.60
  4. Step 4: Simplify right side
    143,725,812.20x = 10,061,917,711,594,048
  5. Step 5: Solve for x
    x = 10,061,917,711,594,048/143,725,812.20
  6. Step 6: Final answer
    x = 70,007,729.01

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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.