Home / 66,529,323.40-99,793,985.10-56,787,550.60

Finding the Fourth Proportional to 66,529,323.40, 99,793,985.10 and 56,787,550.60

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Solution

The fourth proportional to 66,529,323.40, 99,793,985.10 and 56,787,550.60 is: 85,181,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,323.40 : 99,793,985.10 = 56,787,550.60 : x
  2. Step 2: Convert to fraction form
    66,529,323.40/99,793,985.10 = 56,787,550.60/x
  3. Step 3: Cross multiply
    66,529,323.40x = 99,793,985.10 × 56,787,550.60
  4. Step 4: Simplify right side
    66,529,323.40x = 5,667,055,978,441,896
  5. Step 5: Solve for x
    x = 5,667,055,978,441,896/66,529,323.40
  6. Step 6: Final answer
    x = 85,181,325.90

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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.