Home / 147,015,314.40-220,522,971.60-139,840,860.90

Finding the Fourth Proportional to 147,015,314.40, 220,522,971.60 and 139,840,860.90

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Solution

The fourth proportional to 147,015,314.40, 220,522,971.60 and 139,840,860.90 is: 209,761,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,015,314.40 : 220,522,971.60 = 139,840,860.90 : x
  2. Step 2: Convert to fraction form
    147,015,314.40/220,522,971.60 = 139,840,860.90/x
  3. Step 3: Cross multiply
    147,015,314.40x = 220,522,971.60 × 139,840,860.90
  4. Step 4: Simplify right side
    147,015,314.40x = 30,838,122,196,770,252
  5. Step 5: Solve for x
    x = 30,838,122,196,770,252/147,015,314.40
  6. Step 6: Final answer
    x = 209,761,291.35

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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.