Home / 130,236,301.59-179,728,201.94-71,504,380.95

Finding the Fourth Proportional to 130,236,301.59, 179,728,201.94 and 71,504,380.95

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Solution

The fourth proportional to 130,236,301.59, 179,728,201.94 and 71,504,380.95 is: 98,677,201.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,236,301.59 : 179,728,201.94 = 71,504,380.95 : x
  2. Step 2: Convert to fraction form
    130,236,301.59/179,728,201.94 = 71,504,380.95/x
  3. Step 3: Cross multiply
    130,236,301.59x = 179,728,201.94 × 71,504,380.95
  4. Step 4: Simplify right side
    130,236,301.59x = 12,851,353,818,618,768
  5. Step 5: Solve for x
    x = 12,851,353,818,618,768/130,236,301.59
  6. Step 6: Final answer
    x = 98,677,201.84

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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.