Home / 196,102,715.28-270,611,384.16-112,466,523.60

Finding the Fourth Proportional to 196,102,715.28, 270,611,384.16 and 112,466,523.60

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Solution

The fourth proportional to 196,102,715.28, 270,611,384.16 and 112,466,523.60 is: 155,197,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,102,715.28 : 270,611,384.16 = 112,466,523.60 : x
  2. Step 2: Convert to fraction form
    196,102,715.28/270,611,384.16 = 112,466,523.60/x
  3. Step 3: Cross multiply
    196,102,715.28x = 270,611,384.16 × 112,466,523.60
  4. Step 4: Simplify right side
    196,102,715.28x = 30,434,721,623,059,308
  5. Step 5: Solve for x
    x = 30,434,721,623,059,308/196,102,715.28
  6. Step 6: Final answer
    x = 155,197,859.34

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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.