Home / 66,683,406.60-99,836,153.10-59,880,961.80

Finding the Fourth Proportional to 66,683,406.60, 99,836,153.10 and 59,880,961.80

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Solution

The fourth proportional to 66,683,406.60, 99,836,153.10 and 59,880,961.80 is: 89,651,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,683,406.60 : 99,836,153.10 = 59,880,961.80 : x
  2. Step 2: Convert to fraction form
    66,683,406.60/99,836,153.10 = 59,880,961.80/x
  3. Step 3: Cross multiply
    66,683,406.60x = 99,836,153.10 × 59,880,961.80
  4. Step 4: Simplify right side
    66,683,406.60x = 5,978,284,870,040,051
  5. Step 5: Solve for x
    x = 5,978,284,870,040,051/66,683,406.60
  6. Step 6: Final answer
    x = 89,651,761.58

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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.