Home / 260,836,698.60-391,302,287.10-131,117,855.40

Finding the Fourth Proportional to 260,836,698.60, 391,302,287.10 and 131,117,855.40

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Solution

The fourth proportional to 260,836,698.60, 391,302,287.10 and 131,117,855.40 is: 196,700,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,836,698.60 : 391,302,287.10 = 131,117,855.40 : x
  2. Step 2: Convert to fraction form
    260,836,698.60/391,302,287.10 = 131,117,855.40/x
  3. Step 3: Cross multiply
    260,836,698.60x = 391,302,287.10 × 131,117,855.40
  4. Step 4: Simplify right side
    260,836,698.60x = 51,306,716,697,667,088
  5. Step 5: Solve for x
    x = 51,306,716,697,667,088/260,836,698.60
  6. Step 6: Final answer
    x = 196,700,529.39

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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.