Home / 142,064,812,226.36-196,024,523,469.74-81,069,330,438.20

Finding the Fourth Proportional to 142,064,812,226.36, 196,024,523,469.74 and 81,069,330,438.20

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Solution

The fourth proportional to 142,064,812,226.36, 196,024,523,469.74 and 81,069,330,438.20 is: 111,861,456,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,064,812,226.36 : 196,024,523,469.74 = 81,069,330,438.20 : x
  2. Step 2: Convert to fraction form
    142,064,812,226.36/196,024,523,469.74 = 81,069,330,438.20/x
  3. Step 3: Cross multiply
    142,064,812,226.36x = 196,024,523,469.74 × 81,069,330,438.20
  4. Step 4: Simplify right side
    142,064,812,226.36x = 15,891,576,867,159,042,686,976
  5. Step 5: Solve for x
    x = 15,891,576,867,159,042,686,976/142,064,812,226.36
  6. Step 6: Final answer
    x = 111,861,456,880.95

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1.5x scale

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.