Home / 190,230,010.40-285,433,489.20-99,456,096.80

Finding the Fourth Proportional to 190,230,010.40, 285,433,489.20 and 99,456,096.80

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Solution

The fourth proportional to 190,230,010.40, 285,433,489.20 and 99,456,096.80 is: 149,230,400.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,230,010.40 : 285,433,489.20 = 99,456,096.80 : x
  2. Step 2: Convert to fraction form
    190,230,010.40/285,433,489.20 = 99,456,096.80/x
  3. Step 3: Cross multiply
    190,230,010.40x = 285,433,489.20 × 99,456,096.80
  4. Step 4: Simplify right side
    190,230,010.40x = 28,388,100,731,836,952
  5. Step 5: Solve for x
    x = 28,388,100,731,836,952/190,230,010.40
  6. Step 6: Final answer
    x = 149,230,400.99

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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.