Home / 74,448,288.70-111,672,433.05-55,316,412.70

Finding the Fourth Proportional to 74,448,288.70, 111,672,433.05 and 55,316,412.70

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Solution

The fourth proportional to 74,448,288.70, 111,672,433.05 and 55,316,412.70 is: 82,974,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448,288.70 : 111,672,433.05 = 55,316,412.70 : x
  2. Step 2: Convert to fraction form
    74,448,288.70/111,672,433.05 = 55,316,412.70/x
  3. Step 3: Cross multiply
    74,448,288.70x = 111,672,433.05 × 55,316,412.70
  4. Step 4: Simplify right side
    74,448,288.70x = 6,177,318,393,806,920
  5. Step 5: Solve for x
    x = 6,177,318,393,806,920/74,448,288.70
  6. Step 6: Final answer
    x = 82,974,619.05

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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.