Home / 290,326,832.20-435,480,917.10-96,247,203.40

Finding the Fourth Proportional to 290,326,832.20, 435,480,917.10 and 96,247,203.40

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Solution

The fourth proportional to 290,326,832.20, 435,480,917.10 and 96,247,203.40 is: 144,367,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,326,832.20 : 435,480,917.10 = 96,247,203.40 : x
  2. Step 2: Convert to fraction form
    290,326,832.20/435,480,917.10 = 96,247,203.40/x
  3. Step 3: Cross multiply
    290,326,832.20x = 435,480,917.10 × 96,247,203.40
  4. Step 4: Simplify right side
    290,326,832.20x = 41,913,820,404,942,240
  5. Step 5: Solve for x
    x = 41,913,820,404,942,240/290,326,832.20
  6. Step 6: Final answer
    x = 144,367,711.68

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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.