Home / 66,552,846.30-99,829,269.45-18,683,790.30

Finding the Fourth Proportional to 66,552,846.30, 99,829,269.45 and 18,683,790.30

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Solution

The fourth proportional to 66,552,846.30, 99,829,269.45 and 18,683,790.30 is: 28,025,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,552,846.30 : 99,829,269.45 = 18,683,790.30 : x
  2. Step 2: Convert to fraction form
    66,552,846.30/99,829,269.45 = 18,683,790.30/x
  3. Step 3: Cross multiply
    66,552,846.30x = 99,829,269.45 × 18,683,790.30
  4. Step 4: Simplify right side
    66,552,846.30x = 1,865,189,136,205,996.50
  5. Step 5: Solve for x
    x = 1,865,189,136,205,996.50/66,552,846.30
  6. Step 6: Final answer
    x = 28,025,685.45

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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.