Home / 89,629,765.20-134,444,647.80-44,280,133.20

Finding the Fourth Proportional to 89,629,765.20, 134,444,647.80 and 44,280,133.20

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Solution

The fourth proportional to 89,629,765.20, 134,444,647.80 and 44,280,133.20 is: 66,420,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,629,765.20 : 134,444,647.80 = 44,280,133.20 : x
  2. Step 2: Convert to fraction form
    89,629,765.20/134,444,647.80 = 44,280,133.20/x
  3. Step 3: Cross multiply
    89,629,765.20x = 134,444,647.80 × 44,280,133.20
  4. Step 4: Simplify right side
    89,629,765.20x = 5,953,226,912,611,088
  5. Step 5: Solve for x
    x = 5,953,226,912,611,088/89,629,765.20
  6. Step 6: Final answer
    x = 66,420,199.80

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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.