Home / 260,813,400.40-391,220,100.60-124,764,504.40

Finding the Fourth Proportional to 260,813,400.40, 391,220,100.60 and 124,764,504.40

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Solution

The fourth proportional to 260,813,400.40, 391,220,100.60 and 124,764,504.40 is: 187,146,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,813,400.40 : 391,220,100.60 = 124,764,504.40 : x
  2. Step 2: Convert to fraction form
    260,813,400.40/391,220,100.60 = 124,764,504.40/x
  3. Step 3: Cross multiply
    260,813,400.40x = 391,220,100.60 × 124,764,504.40
  4. Step 4: Simplify right side
    260,813,400.40x = 48,810,381,962,677,144
  5. Step 5: Solve for x
    x = 48,810,381,962,677,144/260,813,400.40
  6. Step 6: Final answer
    x = 187,146,756.60

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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.