Home / 66,161,453.44-99,225,680.35-19,465,647.40

Finding the Fourth Proportional to 66,161,453.44, 99,225,680.35 and 19,465,647.40

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Solution

The fourth proportional to 66,161,453.44, 99,225,680.35 and 19,465,647.40 is: 29,193,616.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161,453.44 : 99,225,680.35 = 19,465,647.40 : x
  2. Step 2: Convert to fraction form
    66,161,453.44/99,225,680.35 = 19,465,647.40/x
  3. Step 3: Cross multiply
    66,161,453.44x = 99,225,680.35 × 19,465,647.40
  4. Step 4: Simplify right side
    66,161,453.44x = 1,931,492,107,052,620.75
  5. Step 5: Solve for x
    x = 1,931,492,107,052,620.75/66,161,453.44
  6. Step 6: Final answer
    x = 29,193,616.63

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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.