Home / 110,008,651,520.70-165,012,977,281.05-72,351,379,989.90

Finding the Fourth Proportional to 110,008,651,520.70, 165,012,977,281.05 and 72,351,379,989.90

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Solution

The fourth proportional to 110,008,651,520.70, 165,012,977,281.05 and 72,351,379,989.90 is: 108,527,069,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,008,651,520.70 : 165,012,977,281.05 = 72,351,379,989.90 : x
  2. Step 2: Convert to fraction form
    110,008,651,520.70/165,012,977,281.05 = 72,351,379,989.90/x
  3. Step 3: Cross multiply
    110,008,651,520.70x = 165,012,977,281.05 × 72,351,379,989.90
  4. Step 4: Simplify right side
    110,008,651,520.70x = 11,938,916,622,525,983,096,832
  5. Step 5: Solve for x
    x = 11,938,916,622,525,983,096,832/110,008,651,520.70
  6. Step 6: Final answer
    x = 108,527,069,984.85

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1.5x scale

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.