Home / 139,968,122.40-209,952,183.60-89,075,757.60

Finding the Fourth Proportional to 139,968,122.40, 209,952,183.60 and 89,075,757.60

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Solution

The fourth proportional to 139,968,122.40, 209,952,183.60 and 89,075,757.60 is: 133,613,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,122.40 : 209,952,183.60 = 89,075,757.60 : x
  2. Step 2: Convert to fraction form
    139,968,122.40/209,952,183.60 = 89,075,757.60/x
  3. Step 3: Cross multiply
    139,968,122.40x = 209,952,183.60 × 89,075,757.60
  4. Step 4: Simplify right side
    139,968,122.40x = 18,701,649,813,944,292
  5. Step 5: Solve for x
    x = 18,701,649,813,944,292/139,968,122.40
  6. Step 6: Final answer
    x = 133,613,636.40

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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.