Home / 243,133,912.74-364,846,118.99-223,352,978.88

Finding the Fourth Proportional to 243,133,912.74, 364,846,118.99 and 223,352,978.88

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Solution

The fourth proportional to 243,133,912.74, 364,846,118.99 and 223,352,978.88 is: 335,162,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,133,912.74 : 364,846,118.99 = 223,352,978.88 : x
  2. Step 2: Convert to fraction form
    243,133,912.74/364,846,118.99 = 223,352,978.88/x
  3. Step 3: Cross multiply
    243,133,912.74x = 364,846,118.99 × 223,352,978.88
  4. Step 4: Simplify right side
    243,133,912.74x = 81,489,467,509,223,440
  5. Step 5: Solve for x
    x = 81,489,467,509,223,440/243,133,912.74
  6. Step 6: Final answer
    x = 335,162,900.93

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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.