Home / 160,611,972.67-221,645,850.87-87,273,114.67

Finding the Fourth Proportional to 160,611,972.67, 221,645,850.87 and 87,273,114.67

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Solution

The fourth proportional to 160,611,972.67, 221,645,850.87 and 87,273,114.67 is: 120,437,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,611,972.67 : 221,645,850.87 = 87,273,114.67 : x
  2. Step 2: Convert to fraction form
    160,611,972.67/221,645,850.87 = 87,273,114.67/x
  3. Step 3: Cross multiply
    160,611,972.67x = 221,645,850.87 × 87,273,114.67
  4. Step 4: Simplify right side
    160,611,972.67x = 19,343,723,759,107,232
  5. Step 5: Solve for x
    x = 19,343,723,759,107,232/160,611,972.67
  6. Step 6: Final answer
    x = 120,437,620.17

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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.