Home / 220,235,141.16-329,634,149.81-161,927,359.20

Finding the Fourth Proportional to 220,235,141.16, 329,634,149.81 and 161,927,359.20

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Solution

The fourth proportional to 220,235,141.16, 329,634,149.81 and 161,927,359.20 is: 242,362,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,235,141.16 : 329,634,149.81 = 161,927,359.20 : x
  2. Step 2: Convert to fraction form
    220,235,141.16/329,634,149.81 = 161,927,359.20/x
  3. Step 3: Cross multiply
    220,235,141.16x = 329,634,149.81 × 161,927,359.20
  4. Step 4: Simplify right side
    220,235,141.16x = 53,376,787,380,060,840
  5. Step 5: Solve for x
    x = 53,376,787,380,060,840/220,235,141.16
  6. Step 6: Final answer
    x = 242,362,717.86

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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.