Home / 140,983,689.72-211,476,993.48-42,616,213.22

Finding the Fourth Proportional to 140,983,689.72, 211,476,993.48 and 42,616,213.22

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Solution

The fourth proportional to 140,983,689.72, 211,476,993.48 and 42,616,213.22 is: 63,924,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,983,689.72 : 211,476,993.48 = 42,616,213.22 : x
  2. Step 2: Convert to fraction form
    140,983,689.72/211,476,993.48 = 42,616,213.22/x
  3. Step 3: Cross multiply
    140,983,689.72x = 211,476,993.48 × 42,616,213.22
  4. Step 4: Simplify right side
    140,983,689.72x = 9,012,348,645,268,230
  5. Step 5: Solve for x
    x = 9,012,348,645,268,230/140,983,689.72
  6. Step 6: Final answer
    x = 63,924,760.82

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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.