Home / 170,143,725.40-255,523,517.70-148,980,563.80

Finding the Fourth Proportional to 170,143,725.40, 255,523,517.70 and 148,980,563.80

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Solution

The fourth proportional to 170,143,725.40, 255,523,517.70 and 148,980,563.80 is: 223,740,473.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,143,725.40 : 255,523,517.70 = 148,980,563.80 : x
  2. Step 2: Convert to fraction form
    170,143,725.40/255,523,517.70 = 148,980,563.80/x
  3. Step 3: Cross multiply
    170,143,725.40x = 255,523,517.70 × 148,980,563.80
  4. Step 4: Simplify right side
    170,143,725.40x = 38,068,037,731,105,280
  5. Step 5: Solve for x
    x = 38,068,037,731,105,280/170,143,725.40
  6. Step 6: Final answer
    x = 223,740,473.78

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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.