Home / 434,628,060.80-651,718,142.40-161,858,422.40

Finding the Fourth Proportional to 434,628,060.80, 651,718,142.40 and 161,858,422.40

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Solution

The fourth proportional to 434,628,060.80, 651,718,142.40 and 161,858,422.40 is: 242,704,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628,060.80 : 651,718,142.40 = 161,858,422.40 : x
  2. Step 2: Convert to fraction form
    434,628,060.80/651,718,142.40 = 161,858,422.40/x
  3. Step 3: Cross multiply
    434,628,060.80x = 651,718,142.40 × 161,858,422.40
  4. Step 4: Simplify right side
    434,628,060.80x = 105,486,070,378,322,544
  5. Step 5: Solve for x
    x = 105,486,070,378,322,544/434,628,060.80
  6. Step 6: Final answer
    x = 242,704,233.56

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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.