Home / 220,059,095.70-330,088,643.55-143,531,591.70

Finding the Fourth Proportional to 220,059,095.70, 330,088,643.55 and 143,531,591.70

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Solution

The fourth proportional to 220,059,095.70, 330,088,643.55 and 143,531,591.70 is: 215,297,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,059,095.70 : 330,088,643.55 = 143,531,591.70 : x
  2. Step 2: Convert to fraction form
    220,059,095.70/330,088,643.55 = 143,531,591.70/x
  3. Step 3: Cross multiply
    220,059,095.70x = 330,088,643.55 × 143,531,591.70
  4. Step 4: Simplify right side
    220,059,095.70x = 47,378,148,410,825,440
  5. Step 5: Solve for x
    x = 47,378,148,410,825,440/220,059,095.70
  6. Step 6: Final answer
    x = 215,297,387.55

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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.