Home / 323,010,012.80-484,578,004.80-138,777,132.80

Finding the Fourth Proportional to 323,010,012.80, 484,578,004.80 and 138,777,132.80

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Solution

The fourth proportional to 323,010,012.80, 484,578,004.80 and 138,777,132.80 is: 208,192,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,010,012.80 : 484,578,004.80 = 138,777,132.80 : x
  2. Step 2: Convert to fraction form
    323,010,012.80/484,578,004.80 = 138,777,132.80/x
  3. Step 3: Cross multiply
    323,010,012.80x = 484,578,004.80 × 138,777,132.80
  4. Step 4: Simplify right side
    323,010,012.80x = 67,248,346,124,088,648
  5. Step 5: Solve for x
    x = 67,248,346,124,088,648/323,010,012.80
  6. Step 6: Final answer
    x = 208,192,760.16

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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.