Home / 290,325,907.20-435,479,529.60-96,246,278.40

Finding the Fourth Proportional to 290,325,907.20, 435,479,529.60 and 96,246,278.40

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Solution

The fourth proportional to 290,325,907.20, 435,479,529.60 and 96,246,278.40 is: 144,366,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,325,907.20 : 435,479,529.60 = 96,246,278.40 : x
  2. Step 2: Convert to fraction form
    290,325,907.20/435,479,529.60 = 96,246,278.40/x
  3. Step 3: Cross multiply
    290,325,907.20x = 435,479,529.60 × 96,246,278.40
  4. Step 4: Simplify right side
    290,325,907.20x = 41,913,284,043,382,648
  5. Step 5: Solve for x
    x = 41,913,284,043,382,648/290,325,907.20
  6. Step 6: Final answer
    x = 144,366,324.20

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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.