Home / 136,456,594.56-188,291,908.80-87,630,157.44

Finding the Fourth Proportional to 136,456,594.56, 188,291,908.80 and 87,630,157.44

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Solution

The fourth proportional to 136,456,594.56, 188,291,908.80 and 87,630,157.44 is: 120,917,934.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,456,594.56 : 188,291,908.80 = 87,630,157.44 : x
  2. Step 2: Convert to fraction form
    136,456,594.56/188,291,908.80 = 87,630,157.44/x
  3. Step 3: Cross multiply
    136,456,594.56x = 188,291,908.80 × 87,630,157.44
  4. Step 4: Simplify right side
    136,456,594.56x = 16,500,049,612,822,122
  5. Step 5: Solve for x
    x = 16,500,049,612,822,122/136,456,594.56
  6. Step 6: Final answer
    x = 120,917,934.86

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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.