Home / 140,232,258.90-211,305,575.12-115,233,274.26

Finding the Fourth Proportional to 140,232,258.90, 211,305,575.12 and 115,233,274.26

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Solution

The fourth proportional to 140,232,258.90, 211,305,575.12 and 115,233,274.26 is: 173,636,461.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,232,258.90 : 211,305,575.12 = 115,233,274.26 : x
  2. Step 2: Convert to fraction form
    140,232,258.90/211,305,575.12 = 115,233,274.26/x
  3. Step 3: Cross multiply
    140,232,258.90x = 211,305,575.12 × 115,233,274.26
  4. Step 4: Simplify right side
    140,232,258.90x = 24,349,433,289,893,828
  5. Step 5: Solve for x
    x = 24,349,433,289,893,828/140,232,258.90
  6. Step 6: Final answer
    x = 173,636,461.97

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.