Home / 147,024,081.80-220,536,122.70-139,969,694.60

Finding the Fourth Proportional to 147,024,081.80, 220,536,122.70 and 139,969,694.60

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Solution

The fourth proportional to 147,024,081.80, 220,536,122.70 and 139,969,694.60 is: 209,954,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,024,081.80 : 220,536,122.70 = 139,969,694.60 : x
  2. Step 2: Convert to fraction form
    147,024,081.80/220,536,122.70 = 139,969,694.60/x
  3. Step 3: Cross multiply
    147,024,081.80x = 220,536,122.70 × 139,969,694.60
  4. Step 4: Simplify right side
    147,024,081.80x = 30,868,373,742,587,124
  5. Step 5: Solve for x
    x = 30,868,373,742,587,124/147,024,081.80
  6. Step 6: Final answer
    x = 209,954,541.90

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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.