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Finding the Fourth Proportional to 245,339,366.40, 367,696,454.40 and 130,378,982.40

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Solution

The fourth proportional to 245,339,366.40, 367,696,454.40 and 130,378,982.40 is: 195,402,353.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,339,366.40 : 367,696,454.40 = 130,378,982.40 : x
  2. Step 2: Convert to fraction form
    245,339,366.40/367,696,454.40 = 130,378,982.40/x
  3. Step 3: Cross multiply
    245,339,366.40x = 367,696,454.40 × 130,378,982.40
  4. Step 4: Simplify right side
    245,339,366.40x = 47,939,889,556,760,000
  5. Step 5: Solve for x
    x = 47,939,889,556,760,000/245,339,366.40
  6. Step 6: Final answer
    x = 195,402,353.32

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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.