Home / 66,403,860.60-99,605,790.90-18,534,804.60

Finding the Fourth Proportional to 66,403,860.60, 99,605,790.90 and 18,534,804.60

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Solution

The fourth proportional to 66,403,860.60, 99,605,790.90 and 18,534,804.60 is: 27,802,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,403,860.60 : 99,605,790.90 = 18,534,804.60 : x
  2. Step 2: Convert to fraction form
    66,403,860.60/99,605,790.90 = 18,534,804.60/x
  3. Step 3: Cross multiply
    66,403,860.60x = 99,605,790.90 × 18,534,804.60
  4. Step 4: Simplify right side
    66,403,860.60x = 1,846,173,871,359,958.50
  5. Step 5: Solve for x
    x = 1,846,173,871,359,958.50/66,403,860.60
  6. Step 6: Final answer
    x = 27,802,206.90

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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.