Home / 142,201,557.18-196,254,107.82-80,325,880.74

Finding the Fourth Proportional to 142,201,557.18, 196,254,107.82 and 80,325,880.74

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Solution

The fourth proportional to 142,201,557.18, 196,254,107.82 and 80,325,880.74 is: 110,858,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,201,557.18 : 196,254,107.82 = 80,325,880.74 : x
  2. Step 2: Convert to fraction form
    142,201,557.18/196,254,107.82 = 80,325,880.74/x
  3. Step 3: Cross multiply
    142,201,557.18x = 196,254,107.82 × 80,325,880.74
  4. Step 4: Simplify right side
    142,201,557.18x = 15,764,284,059,484,420
  5. Step 5: Solve for x
    x = 15,764,284,059,484,420/142,201,557.18
  6. Step 6: Final answer
    x = 110,858,730.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.