Home / 260,815,935.60-391,223,903.40-124,767,039.60

Finding the Fourth Proportional to 260,815,935.60, 391,223,903.40 and 124,767,039.60

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Solution

The fourth proportional to 260,815,935.60, 391,223,903.40 and 124,767,039.60 is: 187,150,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,815,935.60 : 391,223,903.40 = 124,767,039.60 : x
  2. Step 2: Convert to fraction form
    260,815,935.60/391,223,903.40 = 124,767,039.60/x
  3. Step 3: Cross multiply
    260,815,935.60x = 391,223,903.40 × 124,767,039.60
  4. Step 4: Simplify right side
    260,815,935.60x = 48,811,848,247,974,368
  5. Step 5: Solve for x
    x = 48,811,848,247,974,368/260,815,935.60
  6. Step 6: Final answer
    x = 187,150,559.40

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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.