Home / 139,583,759.82-192,627,014.01-76,865,690.04

Finding the Fourth Proportional to 139,583,759.82, 192,627,014.01 and 76,865,690.04

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Solution

The fourth proportional to 139,583,759.82, 192,627,014.01 and 76,865,690.04 is: 106,075,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,583,759.82 : 192,627,014.01 = 76,865,690.04 : x
  2. Step 2: Convert to fraction form
    139,583,759.82/192,627,014.01 = 76,865,690.04/x
  3. Step 3: Cross multiply
    139,583,759.82x = 192,627,014.01 × 76,865,690.04
  4. Step 4: Simplify right side
    139,583,759.82x = 14,806,408,352,223,398
  5. Step 5: Solve for x
    x = 14,806,408,352,223,398/139,583,759.82
  6. Step 6: Final answer
    x = 106,075,437.22

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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.