Home / 203,443,702.45-304,781,541.68-120,197,058.91

Finding the Fourth Proportional to 203,443,702.45, 304,781,541.68 and 120,197,058.91

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Solution

The fourth proportional to 203,443,702.45, 304,781,541.68 and 120,197,058.91 is: 180,068,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,443,702.45 : 304,781,541.68 = 120,197,058.91 : x
  2. Step 2: Convert to fraction form
    203,443,702.45/304,781,541.68 = 120,197,058.91/x
  3. Step 3: Cross multiply
    203,443,702.45x = 304,781,541.68 × 120,197,058.91
  4. Step 4: Simplify right side
    203,443,702.45x = 36,633,844,919,530,120
  5. Step 5: Solve for x
    x = 36,633,844,919,530,120/203,443,702.45
  6. Step 6: Final answer
    x = 180,068,709.32

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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.