Home / 268,962,895.60-403,494,109.80-87,216,002.80

Finding the Fourth Proportional to 268,962,895.60, 403,494,109.80 and 87,216,002.80

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Solution

The fourth proportional to 268,962,895.60, 403,494,109.80 and 87,216,002.80 is: 130,840,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,962,895.60 : 403,494,109.80 = 87,216,002.80 : x
  2. Step 2: Convert to fraction form
    268,962,895.60/403,494,109.80 = 87,216,002.80/x
  3. Step 3: Cross multiply
    268,962,895.60x = 403,494,109.80 × 87,216,002.80
  4. Step 4: Simplify right side
    268,962,895.60x = 35,191,143,410,100,308
  5. Step 5: Solve for x
    x = 35,191,143,410,100,308/268,962,895.60
  6. Step 6: Final answer
    x = 130,840,141.84

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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.