Home / 189,652,069.60-284,690,680.80-146,711,636.80

Finding the Fourth Proportional to 189,652,069.60, 284,690,680.80 and 146,711,636.80

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Solution

The fourth proportional to 189,652,069.60, 284,690,680.80 and 146,711,636.80 is: 220,231,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,652,069.60 : 284,690,680.80 = 146,711,636.80 : x
  2. Step 2: Convert to fraction form
    189,652,069.60/284,690,680.80 = 146,711,636.80/x
  3. Step 3: Cross multiply
    189,652,069.60x = 284,690,680.80 × 146,711,636.80
  4. Step 4: Simplify right side
    189,652,069.60x = 41,767,435,761,874,336
  5. Step 5: Solve for x
    x = 41,767,435,761,874,336/189,652,069.60
  6. Step 6: Final answer
    x = 220,231,900.71

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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.