Home / 66,073,384.32-91,183,855.68-45,209,176.32

Finding the Fourth Proportional to 66,073,384.32, 91,183,855.68 and 45,209,176.32

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Solution

The fourth proportional to 66,073,384.32, 91,183,855.68 and 45,209,176.32 is: 62,390,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,073,384.32 : 91,183,855.68 = 45,209,176.32 : x
  2. Step 2: Convert to fraction form
    66,073,384.32/91,183,855.68 = 45,209,176.32/x
  3. Step 3: Cross multiply
    66,073,384.32x = 91,183,855.68 × 45,209,176.32
  4. Step 4: Simplify right side
    66,073,384.32x = 4,122,347,008,974,554
  5. Step 5: Solve for x
    x = 4,122,347,008,974,554/66,073,384.32
  6. Step 6: Final answer
    x = 62,390,432.27

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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.