Home / 73,989,030.80-110,983,546.20-71,012,961.20

Finding the Fourth Proportional to 73,989,030.80, 110,983,546.20 and 71,012,961.20

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Solution

The fourth proportional to 73,989,030.80, 110,983,546.20 and 71,012,961.20 is: 106,519,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,989,030.80 : 110,983,546.20 = 71,012,961.20 : x
  2. Step 2: Convert to fraction form
    73,989,030.80/110,983,546.20 = 71,012,961.20/x
  3. Step 3: Cross multiply
    73,989,030.80x = 110,983,546.20 × 71,012,961.20
  4. Step 4: Simplify right side
    73,989,030.80x = 7,881,270,260,139,008
  5. Step 5: Solve for x
    x = 7,881,270,260,139,008/73,989,030.80
  6. Step 6: Final answer
    x = 106,519,441.80

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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.