Home / 66,441,205.80-99,590,949.90-25,484,819.40

Finding the Fourth Proportional to 66,441,205.80, 99,590,949.90 and 25,484,819.40

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Solution

The fourth proportional to 66,441,205.80, 99,590,949.90 and 25,484,819.40 is: 38,200,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,205.80 : 99,590,949.90 = 25,484,819.40 : x
  2. Step 2: Convert to fraction form
    66,441,205.80/99,590,949.90 = 25,484,819.40/x
  3. Step 3: Cross multiply
    66,441,205.80x = 99,590,949.90 × 25,484,819.40
  4. Step 4: Simplify right side
    66,441,205.80x = 2,538,057,372,075,948
  5. Step 5: Solve for x
    x = 2,538,057,372,075,948/66,441,205.80
  6. Step 6: Final answer
    x = 38,200,049.83

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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.