Home / 162,003,257.35-223,565,087.64-87,663,818.63

Finding the Fourth Proportional to 162,003,257.35, 223,565,087.64 and 87,663,818.63

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Solution

The fourth proportional to 162,003,257.35, 223,565,087.64 and 87,663,818.63 is: 120,976,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,003,257.35 : 223,565,087.64 = 87,663,818.63 : x
  2. Step 2: Convert to fraction form
    162,003,257.35/223,565,087.64 = 87,663,818.63/x
  3. Step 3: Cross multiply
    162,003,257.35x = 223,565,087.64 × 87,663,818.63
  4. Step 4: Simplify right side
    162,003,257.35x = 19,598,569,295,760,668
  5. Step 5: Solve for x
    x = 19,598,569,295,760,668/162,003,257.35
  6. Step 6: Final answer
    x = 120,976,390.33

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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.