Home / 209,952,405.70-314,928,608.55-141,424,072.90

Finding the Fourth Proportional to 209,952,405.70, 314,928,608.55 and 141,424,072.90

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Solution

The fourth proportional to 209,952,405.70, 314,928,608.55 and 141,424,072.90 is: 212,136,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,405.70 : 314,928,608.55 = 141,424,072.90 : x
  2. Step 2: Convert to fraction form
    209,952,405.70/314,928,608.55 = 141,424,072.90/x
  3. Step 3: Cross multiply
    209,952,405.70x = 314,928,608.55 × 141,424,072.90
  4. Step 4: Simplify right side
    209,952,405.70x = 44,538,486,493,870,768
  5. Step 5: Solve for x
    x = 44,538,486,493,870,768/209,952,405.70
  6. Step 6: Final answer
    x = 212,136,109.35

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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.