Home / 220,852,905.80-331,276,248.30-99,684,163.40

Finding the Fourth Proportional to 220,852,905.80, 331,276,248.30 and 99,684,163.40

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Solution

The fourth proportional to 220,852,905.80, 331,276,248.30 and 99,684,163.40 is: 149,524,841.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,852,905.80 : 331,276,248.30 = 99,684,163.40 : x
  2. Step 2: Convert to fraction form
    220,852,905.80/331,276,248.30 = 99,684,163.40/x
  3. Step 3: Cross multiply
    220,852,905.80x = 331,276,248.30 × 99,684,163.40
  4. Step 4: Simplify right side
    220,852,905.80x = 33,022,995,666,076,176
  5. Step 5: Solve for x
    x = 33,022,995,666,076,176/220,852,905.80
  6. Step 6: Final answer
    x = 149,524,841.19

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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.