Home / 139,968,172.70-209,952,259.05-88,571,923.10

Finding the Fourth Proportional to 139,968,172.70, 209,952,259.05 and 88,571,923.10

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Solution

The fourth proportional to 139,968,172.70, 209,952,259.05 and 88,571,923.10 is: 132,857,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,172.70 : 209,952,259.05 = 88,571,923.10 : x
  2. Step 2: Convert to fraction form
    139,968,172.70/209,952,259.05 = 88,571,923.10/x
  3. Step 3: Cross multiply
    139,968,172.70x = 209,952,259.05 × 88,571,923.10
  4. Step 4: Simplify right side
    139,968,172.70x = 18,595,875,343,247,880
  5. Step 5: Solve for x
    x = 18,595,875,343,247,880/139,968,172.70
  6. Step 6: Final answer
    x = 132,857,884.65

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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.