Home / 207,230,766.40-310,436,743.20-105,068,123.20

Finding the Fourth Proportional to 207,230,766.40, 310,436,743.20 and 105,068,123.20

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Solution

The fourth proportional to 207,230,766.40, 310,436,743.20 and 105,068,123.20 is: 157,394,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,230,766.40 : 310,436,743.20 = 105,068,123.20 : x
  2. Step 2: Convert to fraction form
    207,230,766.40/310,436,743.20 = 105,068,123.20/x
  3. Step 3: Cross multiply
    207,230,766.40x = 310,436,743.20 × 105,068,123.20
  4. Step 4: Simplify right side
    207,230,766.40x = 32,617,005,980,344,360
  5. Step 5: Solve for x
    x = 32,617,005,980,344,360/207,230,766.40
  6. Step 6: Final answer
    x = 157,394,611.56

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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.