Home / 170,902,467.80-256,353,701.70-125,216,912.60

Finding the Fourth Proportional to 170,902,467.80, 256,353,701.70 and 125,216,912.60

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Solution

The fourth proportional to 170,902,467.80, 256,353,701.70 and 125,216,912.60 is: 187,825,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,902,467.80 : 256,353,701.70 = 125,216,912.60 : x
  2. Step 2: Convert to fraction form
    170,902,467.80/256,353,701.70 = 125,216,912.60/x
  3. Step 3: Cross multiply
    170,902,467.80x = 256,353,701.70 × 125,216,912.60
  4. Step 4: Simplify right side
    170,902,467.80x = 32,099,819,060,455,368
  5. Step 5: Solve for x
    x = 32,099,819,060,455,368/170,902,467.80
  6. Step 6: Final answer
    x = 187,825,368.90

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1.5x scale

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.