Home / 66,559,810.08-99,850,443.39-20,501,657.69

Finding the Fourth Proportional to 66,559,810.08, 99,850,443.39 and 20,501,657.69

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Solution

The fourth proportional to 66,559,810.08, 99,850,443.39 and 20,501,657.69 is: 30,755,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,559,810.08 : 99,850,443.39 = 20,501,657.69 : x
  2. Step 2: Convert to fraction form
    66,559,810.08/99,850,443.39 = 20,501,657.69/x
  3. Step 3: Cross multiply
    66,559,810.08x = 99,850,443.39 × 20,501,657.69
  4. Step 4: Simplify right side
    66,559,810.08x = 2,047,099,609,990,775
  5. Step 5: Solve for x
    x = 2,047,099,609,990,775/66,559,810.08
  6. Step 6: Final answer
    x = 30,755,791.03

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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.