Home / 260,813,268.90-391,219,903.35-124,764,372.90

Finding the Fourth Proportional to 260,813,268.90, 391,219,903.35 and 124,764,372.90

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Solution

The fourth proportional to 260,813,268.90, 391,219,903.35 and 124,764,372.90 is: 187,146,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,813,268.90 : 391,219,903.35 = 124,764,372.90 : x
  2. Step 2: Convert to fraction form
    260,813,268.90/391,219,903.35 = 124,764,372.90/x
  3. Step 3: Cross multiply
    260,813,268.90x = 391,219,903.35 × 124,764,372.90
  4. Step 4: Simplify right side
    260,813,268.90x = 48,810,305,907,461,368
  5. Step 5: Solve for x
    x = 48,810,305,907,461,368/260,813,268.90
  6. Step 6: Final answer
    x = 187,146,559.35

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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.