Home / 120,360,756.03-180,415,138.67-50,371,087.29

Finding the Fourth Proportional to 120,360,756.03, 180,415,138.67 and 50,371,087.29

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Solution

The fourth proportional to 120,360,756.03, 180,415,138.67 and 50,371,087.29 is: 75,503,901.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,360,756.03 : 180,415,138.67 = 50,371,087.29 : x
  2. Step 2: Convert to fraction form
    120,360,756.03/180,415,138.67 = 50,371,087.29/x
  3. Step 3: Cross multiply
    120,360,756.03x = 180,415,138.67 × 50,371,087.29
  4. Step 4: Simplify right side
    120,360,756.03x = 9,087,706,698,132,168
  5. Step 5: Solve for x
    x = 9,087,706,698,132,168/120,360,756.03
  6. Step 6: Final answer
    x = 75,503,901.75

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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.