Home / 109,659,071,660.85-151,273,825,041.69-71,619,545,247.57

Finding the Fourth Proportional to 109,659,071,660.85, 151,273,825,041.69 and 71,619,545,247.57

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Solution

The fourth proportional to 109,659,071,660.85, 151,273,825,041.69 and 71,619,545,247.57 is: 98,798,598,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,659,071,660.85 : 151,273,825,041.69 = 71,619,545,247.57 : x
  2. Step 2: Convert to fraction form
    109,659,071,660.85/151,273,825,041.69 = 71,619,545,247.57/x
  3. Step 3: Cross multiply
    109,659,071,660.85x = 151,273,825,041.69 × 71,619,545,247.57
  4. Step 4: Simplify right side
    109,659,071,660.85x = 10,834,162,557,346,306,326,528
  5. Step 5: Solve for x
    x = 10,834,162,557,346,306,326,528/109,659,071,660.85
  6. Step 6: Final answer
    x = 98,798,598,175.75

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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.