Home / 209,952,406.70-314,928,610.05-141,424,073.90

Finding the Fourth Proportional to 209,952,406.70, 314,928,610.05 and 141,424,073.90

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Solution

The fourth proportional to 209,952,406.70, 314,928,610.05 and 141,424,073.90 is: 212,136,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,406.70 : 314,928,610.05 = 141,424,073.90 : x
  2. Step 2: Convert to fraction form
    209,952,406.70/314,928,610.05 = 141,424,073.90/x
  3. Step 3: Cross multiply
    209,952,406.70x = 314,928,610.05 × 141,424,073.90
  4. Step 4: Simplify right side
    209,952,406.70x = 44,538,487,020,935,488
  5. Step 5: Solve for x
    x = 44,538,487,020,935,488/209,952,406.70
  6. Step 6: Final answer
    x = 212,136,110.85

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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.