Home / 139,583,759.81-192,627,014.03-76,865,690.06

Finding the Fourth Proportional to 139,583,759.81, 192,627,014.03 and 76,865,690.06

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Solution

The fourth proportional to 139,583,759.81, 192,627,014.03 and 76,865,690.06 is: 106,075,437.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,583,759.81 : 192,627,014.03 = 76,865,690.06 : x
  2. Step 2: Convert to fraction form
    139,583,759.81/192,627,014.03 = 76,865,690.06/x
  3. Step 3: Cross multiply
    139,583,759.81x = 192,627,014.03 × 76,865,690.06
  4. Step 4: Simplify right side
    139,583,759.81x = 14,806,408,356,265,790
  5. Step 5: Solve for x
    x = 14,806,408,356,265,790/139,583,759.81
  6. Step 6: Final answer
    x = 106,075,437.26

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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.