Home / 135,378,895.41-186,998,124.47-111,952,060.29

Finding the Fourth Proportional to 135,378,895.41, 186,998,124.47 and 111,952,060.29

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Solution

The fourth proportional to 135,378,895.41, 186,998,124.47 and 111,952,060.29 is: 154,638,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,378,895.41 : 186,998,124.47 = 111,952,060.29 : x
  2. Step 2: Convert to fraction form
    135,378,895.41/186,998,124.47 = 111,952,060.29/x
  3. Step 3: Cross multiply
    135,378,895.41x = 186,998,124.47 × 111,952,060.29
  4. Step 4: Simplify right side
    135,378,895.41x = 20,934,825,304,782,364
  5. Step 5: Solve for x
    x = 20,934,825,304,782,364/135,378,895.41
  6. Step 6: Final answer
    x = 154,638,765.82

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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.