Home / 190,293,999.30-285,440,998.95-132,898,371.30

Finding the Fourth Proportional to 190,293,999.30, 285,440,998.95 and 132,898,371.30

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Solution

The fourth proportional to 190,293,999.30, 285,440,998.95 and 132,898,371.30 is: 199,347,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,293,999.30 : 285,440,998.95 = 132,898,371.30 : x
  2. Step 2: Convert to fraction form
    190,293,999.30/285,440,998.95 = 132,898,371.30/x
  3. Step 3: Cross multiply
    190,293,999.30x = 285,440,998.95 × 132,898,371.30
  4. Step 4: Simplify right side
    190,293,999.30x = 37,934,643,862,700,008
  5. Step 5: Solve for x
    x = 37,934,643,862,700,008/190,293,999.30
  6. Step 6: Final answer
    x = 199,347,556.95

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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.