Home / 151,813,460.52-209,502,674.37-82,198,888.56

Finding the Fourth Proportional to 151,813,460.52, 209,502,674.37 and 82,198,888.56

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Solution

The fourth proportional to 151,813,460.52, 209,502,674.37 and 82,198,888.56 is: 113,434,519.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,813,460.52 : 209,502,674.37 = 82,198,888.56 : x
  2. Step 2: Convert to fraction form
    151,813,460.52/209,502,674.37 = 82,198,888.56/x
  3. Step 3: Cross multiply
    151,813,460.52x = 209,502,674.37 × 82,198,888.56
  4. Step 4: Simplify right side
    151,813,460.52x = 17,220,886,983,561,600
  5. Step 5: Solve for x
    x = 17,220,886,983,561,600/151,813,460.52
  6. Step 6: Final answer
    x = 113,434,519.74

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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.