Home / 165,917,151.20-248,875,726.80-155,300,319.20

Finding the Fourth Proportional to 165,917,151.20, 248,875,726.80 and 155,300,319.20

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Solution

The fourth proportional to 165,917,151.20, 248,875,726.80 and 155,300,319.20 is: 232,950,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,917,151.20 : 248,875,726.80 = 155,300,319.20 : x
  2. Step 2: Convert to fraction form
    165,917,151.20/248,875,726.80 = 155,300,319.20/x
  3. Step 3: Cross multiply
    165,917,151.20x = 248,875,726.80 × 155,300,319.20
  4. Step 4: Simplify right side
    165,917,151.20x = 38,650,479,813,171,992
  5. Step 5: Solve for x
    x = 38,650,479,813,171,992/165,917,151.20
  6. Step 6: Final answer
    x = 232,950,478.80

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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.