Home / 66,441,199.80-99,590,940.90-25,484,813.40

Finding the Fourth Proportional to 66,441,199.80, 99,590,940.90 and 25,484,813.40

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Solution

The fourth proportional to 66,441,199.80, 99,590,940.90 and 25,484,813.40 is: 38,200,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441,199.80 : 99,590,940.90 = 25,484,813.40 : x
  2. Step 2: Convert to fraction form
    66,441,199.80/99,590,940.90 = 25,484,813.40/x
  3. Step 3: Cross multiply
    66,441,199.80x = 99,590,940.90 × 25,484,813.40
  4. Step 4: Simplify right side
    66,441,199.80x = 2,538,056,545,166,928
  5. Step 5: Solve for x
    x = 2,538,056,545,166,928/66,441,199.80
  6. Step 6: Final answer
    x = 38,200,040.83

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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.