Home / 48,971,821.80-73,457,732.70-45,985,837.80

Finding the Fourth Proportional to 48,971,821.80, 73,457,732.70 and 45,985,837.80

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Solution

The fourth proportional to 48,971,821.80, 73,457,732.70 and 45,985,837.80 is: 68,978,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,971,821.80 : 73,457,732.70 = 45,985,837.80 : x
  2. Step 2: Convert to fraction form
    48,971,821.80/73,457,732.70 = 45,985,837.80/x
  3. Step 3: Cross multiply
    48,971,821.80x = 73,457,732.70 × 45,985,837.80
  4. Step 4: Simplify right side
    48,971,821.80x = 3,378,015,381,097,956
  5. Step 5: Solve for x
    x = 3,378,015,381,097,956/48,971,821.80
  6. Step 6: Final answer
    x = 68,978,756.70

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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.