Home / 191,272,857.98-286,945,660.62-132,433,372.58

Finding the Fourth Proportional to 191,272,857.98, 286,945,660.62 and 132,433,372.58

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Solution

The fourth proportional to 191,272,857.98, 286,945,660.62 and 132,433,372.58 is: 198,675,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,272,857.98 : 286,945,660.62 = 132,433,372.58 : x
  2. Step 2: Convert to fraction form
    191,272,857.98/286,945,660.62 = 132,433,372.58/x
  3. Step 3: Cross multiply
    191,272,857.98x = 286,945,660.62 × 132,433,372.58
  4. Step 4: Simplify right side
    191,272,857.98x = 38,001,181,581,667,968
  5. Step 5: Solve for x
    x = 38,001,181,581,667,968/191,272,857.98
  6. Step 6: Final answer
    x = 198,675,243.23

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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.