Home / 159,138,702.04-219,493,028.88-140,520,995.40

Finding the Fourth Proportional to 159,138,702.04, 219,493,028.88 and 140,520,995.40

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Solution

The fourth proportional to 159,138,702.04, 219,493,028.88 and 140,520,995.40 is: 193,814,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,138,702.04 : 219,493,028.88 = 140,520,995.40 : x
  2. Step 2: Convert to fraction form
    159,138,702.04/219,493,028.88 = 140,520,995.40/x
  3. Step 3: Cross multiply
    159,138,702.04x = 219,493,028.88 × 140,520,995.40
  4. Step 4: Simplify right side
    159,138,702.04x = 30,843,378,901,578,548
  5. Step 5: Solve for x
    x = 30,843,378,901,578,548/159,138,702.04
  6. Step 6: Final answer
    x = 193,814,443.04

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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.