Home / 67,222,537.80-100,833,806.70-66,584,808.60

Finding the Fourth Proportional to 67,222,537.80, 100,833,806.70 and 66,584,808.60

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Solution

The fourth proportional to 67,222,537.80, 100,833,806.70 and 66,584,808.60 is: 99,877,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,222,537.80 : 100,833,806.70 = 66,584,808.60 : x
  2. Step 2: Convert to fraction form
    67,222,537.80/100,833,806.70 = 66,584,808.60/x
  3. Step 3: Cross multiply
    67,222,537.80x = 100,833,806.70 × 66,584,808.60
  4. Step 4: Simplify right side
    67,222,537.80x = 6,713,999,719,528,898
  5. Step 5: Solve for x
    x = 6,713,999,719,528,898/67,222,537.80
  6. Step 6: Final answer
    x = 99,877,212.90

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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.