Home / 66,559,803.39-99,850,433.37-20,501,651.01

Finding the Fourth Proportional to 66,559,803.39, 99,850,433.37 and 20,501,651.01

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Solution

The fourth proportional to 66,559,803.39, 99,850,433.37 and 20,501,651.01 is: 30,755,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559,803.39 : 99,850,433.37 = 20,501,651.01 : x
  2. Step 2: Convert to fraction form
    66,559,803.39/99,850,433.37 = 20,501,651.01/x
  3. Step 3: Cross multiply
    66,559,803.39x = 99,850,433.37 × 20,501,651.01
  4. Step 4: Simplify right side
    66,559,803.39x = 2,047,098,738,148,998.50
  5. Step 5: Solve for x
    x = 2,047,098,738,148,998.50/66,559,803.39
  6. Step 6: Final answer
    x = 30,755,781.03

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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.