Home / 190,378,045.11-285,592,488.84-75,335,683.24

Finding the Fourth Proportional to 190,378,045.11, 285,592,488.84 and 75,335,683.24

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Solution

The fourth proportional to 190,378,045.11, 285,592,488.84 and 75,335,683.24 is: 113,013,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378,045.11 : 285,592,488.84 = 75,335,683.24 : x
  2. Step 2: Convert to fraction form
    190,378,045.11/285,592,488.84 = 75,335,683.24/x
  3. Step 3: Cross multiply
    190,378,045.11x = 285,592,488.84 × 75,335,683.24
  4. Step 4: Simplify right side
    190,378,045.11x = 21,515,305,274,259,492
  5. Step 5: Solve for x
    x = 21,515,305,274,259,492/190,378,045.11
  6. Step 6: Final answer
    x = 113,013,584.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.