Home / 323,008,215.80-484,575,309.30-138,775,335.80

Finding the Fourth Proportional to 323,008,215.80, 484,575,309.30 and 138,775,335.80

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Solution

The fourth proportional to 323,008,215.80, 484,575,309.30 and 138,775,335.80 is: 208,190,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,008,215.80 : 484,575,309.30 = 138,775,335.80 : x
  2. Step 2: Convert to fraction form
    323,008,215.80/484,575,309.30 = 138,775,335.80/x
  3. Step 3: Cross multiply
    323,008,215.80x = 484,575,309.30 × 138,775,335.80
  4. Step 4: Simplify right side
    323,008,215.80x = 67,247,101,268,496,368
  5. Step 5: Solve for x
    x = 67,247,101,268,496,368/323,008,215.80
  6. Step 6: Final answer
    x = 208,190,064.46

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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.