Home / 162,104,840.21-223,704,358.17-87,765,380.48

Finding the Fourth Proportional to 162,104,840.21, 223,704,358.17 and 87,765,380.48

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Solution

The fourth proportional to 162,104,840.21, 223,704,358.17 and 87,765,380.48 is: 121,116,051.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,104,840.21 : 223,704,358.17 = 87,765,380.48 : x
  2. Step 2: Convert to fraction form
    162,104,840.21/223,704,358.17 = 87,765,380.48/x
  3. Step 3: Cross multiply
    162,104,840.21x = 223,704,358.17 × 87,765,380.48
  4. Step 4: Simplify right side
    162,104,840.21x = 19,633,498,109,824,248
  5. Step 5: Solve for x
    x = 19,633,498,109,824,248/162,104,840.21
  6. Step 6: Final answer
    x = 121,116,051.10

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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.