Home / 178,669,620.60-268,004,430.90-117,447,617.40

Finding the Fourth Proportional to 178,669,620.60, 268,004,430.90 and 117,447,617.40

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Solution

The fourth proportional to 178,669,620.60, 268,004,430.90 and 117,447,617.40 is: 176,171,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,669,620.60 : 268,004,430.90 = 117,447,617.40 : x
  2. Step 2: Convert to fraction form
    178,669,620.60/268,004,430.90 = 117,447,617.40/x
  3. Step 3: Cross multiply
    178,669,620.60x = 268,004,430.90 × 117,447,617.40
  4. Step 4: Simplify right side
    178,669,620.60x = 31,476,481,861,847,940
  5. Step 5: Solve for x
    x = 31,476,481,861,847,940/178,669,620.60
  6. Step 6: Final answer
    x = 176,171,426.10

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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.