Home / 208,601,140.70-313,013,685.45-87,444,839.90

Finding the Fourth Proportional to 208,601,140.70, 313,013,685.45 and 87,444,839.90

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Solution

The fourth proportional to 208,601,140.70, 313,013,685.45 and 87,444,839.90 is: 131,214,199.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,601,140.70 : 313,013,685.45 = 87,444,839.90 : x
  2. Step 2: Convert to fraction form
    208,601,140.70/313,013,685.45 = 87,444,839.90/x
  3. Step 3: Cross multiply
    208,601,140.70x = 313,013,685.45 × 87,444,839.90
  4. Step 4: Simplify right side
    208,601,140.70x = 27,371,431,610,684,212
  5. Step 5: Solve for x
    x = 27,371,431,610,684,212/208,601,140.70
  6. Step 6: Final answer
    x = 131,214,199.11

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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.