Home / 190,390,800.70-285,622,045.98-135,667,632.03

Finding the Fourth Proportional to 190,390,800.70, 285,622,045.98 and 135,667,632.03

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Solution

The fourth proportional to 190,390,800.70, 285,622,045.98 and 135,667,632.03 is: 203,526,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,390,800.70 : 285,622,045.98 = 135,667,632.03 : x
  2. Step 2: Convert to fraction form
    190,390,800.70/285,622,045.98 = 135,667,632.03/x
  3. Step 3: Cross multiply
    190,390,800.70x = 285,622,045.98 × 135,667,632.03
  4. Step 4: Simplify right side
    190,390,800.70x = 38,749,666,633,670,384
  5. Step 5: Solve for x
    x = 38,749,666,633,670,384/190,390,800.70
  6. Step 6: Final answer
    x = 203,526,990.23

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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.