Home / 194,971,981.23-269,090,212-123,451,510.48

Finding the Fourth Proportional to 194,971,981.23, 269,090,212 and 123,451,510.48

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Solution

The fourth proportional to 194,971,981.23, 269,090,212 and 123,451,510.48 is: 170,381,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,971,981.23 : 269,090,212 = 123,451,510.48 : x
  2. Step 2: Convert to fraction form
    194,971,981.23/269,090,212 = 123,451,510.48/x
  3. Step 3: Cross multiply
    194,971,981.23x = 269,090,212 × 123,451,510.48
  4. Step 4: Simplify right side
    194,971,981.23x = 33,219,593,126,783,424
  5. Step 5: Solve for x
    x = 33,219,593,126,783,424/194,971,981.23
  6. Step 6: Final answer
    x = 170,381,369.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.