Home / 252,837,903.20-348,944,622.72-142,836,702.08

Finding the Fourth Proportional to 252,837,903.20, 348,944,622.72 and 142,836,702.08

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Solution

The fourth proportional to 252,837,903.20, 348,944,622.72 and 142,836,702.08 is: 197,130,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,837,903.20 : 348,944,622.72 = 142,836,702.08 : x
  2. Step 2: Convert to fraction form
    252,837,903.20/348,944,622.72 = 142,836,702.08/x
  3. Step 3: Cross multiply
    252,837,903.20x = 348,944,622.72 × 142,836,702.08
  4. Step 4: Simplify right side
    252,837,903.20x = 49,842,099,117,874,648
  5. Step 5: Solve for x
    x = 49,842,099,117,874,648/252,837,903.20
  6. Step 6: Final answer
    x = 197,130,645.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.