Home / 140,785,291.91-211,193,881.29-126,319,467.89

Finding the Fourth Proportional to 140,785,291.91, 211,193,881.29 and 126,319,467.89

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Solution

The fourth proportional to 140,785,291.91, 211,193,881.29 and 126,319,467.89 is: 189,493,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,785,291.91 : 211,193,881.29 = 126,319,467.89 : x
  2. Step 2: Convert to fraction form
    140,785,291.91/211,193,881.29 = 126,319,467.89/x
  3. Step 3: Cross multiply
    140,785,291.91x = 211,193,881.29 × 126,319,467.89
  4. Step 4: Simplify right side
    140,785,291.91x = 26,677,898,705,120,656
  5. Step 5: Solve for x
    x = 26,677,898,705,120,656/140,785,291.91
  6. Step 6: Final answer
    x = 189,493,507.06

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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.