Home / 245,556,084.60-368,385,302.70-81,844,700.40

Finding the Fourth Proportional to 245,556,084.60, 368,385,302.70 and 81,844,700.40

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Solution

The fourth proportional to 245,556,084.60, 368,385,302.70 and 81,844,700.40 is: 122,784,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,556,084.60 : 368,385,302.70 = 81,844,700.40 : x
  2. Step 2: Convert to fraction form
    245,556,084.60/368,385,302.70 = 81,844,700.40/x
  3. Step 3: Cross multiply
    245,556,084.60x = 368,385,302.70 × 81,844,700.40
  4. Step 4: Simplify right side
    245,556,084.60x = 30,150,384,731,244,812
  5. Step 5: Solve for x
    x = 30,150,384,731,244,812/245,556,084.60
  6. Step 6: Final answer
    x = 122,784,107.67

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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.