Home / 134,764,541.45-185,975,067.50-72,884,880

Finding the Fourth Proportional to 134,764,541.45, 185,975,067.50 and 72,884,880

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Solution

The fourth proportional to 134,764,541.45, 185,975,067.50 and 72,884,880 is: 100,581,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,764,541.45 : 185,975,067.50 = 72,884,880 : x
  2. Step 2: Convert to fraction form
    134,764,541.45/185,975,067.50 = 72,884,880/x
  3. Step 3: Cross multiply
    134,764,541.45x = 185,975,067.50 × 72,884,880
  4. Step 4: Simplify right side
    134,764,541.45x = 13,554,770,477,364,976
  5. Step 5: Solve for x
    x = 13,554,770,477,364,976/134,764,541.45
  6. Step 6: Final answer
    x = 100,581,134.56

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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.