Home / 127,649,479.23-191,446,225.25-36,753,326.91

Finding the Fourth Proportional to 127,649,479.23, 191,446,225.25 and 36,753,326.91

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Solution

The fourth proportional to 127,649,479.23, 191,446,225.25 and 36,753,326.91 is: 55,121,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,649,479.23 : 191,446,225.25 = 36,753,326.91 : x
  2. Step 2: Convert to fraction form
    127,649,479.23/191,446,225.25 = 36,753,326.91/x
  3. Step 3: Cross multiply
    127,649,479.23x = 191,446,225.25 × 36,753,326.91
  4. Step 4: Simplify right side
    127,649,479.23x = 7,036,285,702,114,979
  5. Step 5: Solve for x
    x = 7,036,285,702,114,979/127,649,479.23
  6. Step 6: Final answer
    x = 55,121,930.34

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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.