Home / 190,390,799.70-285,622,044.48-135,667,631.03

Finding the Fourth Proportional to 190,390,799.70, 285,622,044.48 and 135,667,631.03

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Solution

The fourth proportional to 190,390,799.70, 285,622,044.48 and 135,667,631.03 is: 203,526,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,390,799.70 : 285,622,044.48 = 135,667,631.03 : x
  2. Step 2: Convert to fraction form
    190,390,799.70/285,622,044.48 = 135,667,631.03/x
  3. Step 3: Cross multiply
    190,390,799.70x = 285,622,044.48 × 135,667,631.03
  4. Step 4: Simplify right side
    190,390,799.70x = 38,749,666,143,118,784
  5. Step 5: Solve for x
    x = 38,749,666,143,118,784/190,390,799.70
  6. Step 6: Final answer
    x = 203,526,988.72

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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.