Home / 66,690,055.44-100,021,086.36-18,809,802

Finding the Fourth Proportional to 66,690,055.44, 100,021,086.36 and 18,809,802

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Solution

The fourth proportional to 66,690,055.44, 100,021,086.36 and 18,809,802 is: 28,210,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,690,055.44 : 100,021,086.36 = 18,809,802 : x
  2. Step 2: Convert to fraction form
    66,690,055.44/100,021,086.36 = 18,809,802/x
  3. Step 3: Cross multiply
    66,690,055.44x = 100,021,086.36 × 18,809,802
  4. Step 4: Simplify right side
    66,690,055.44x = 1,881,376,830,256,500.75
  5. Step 5: Solve for x
    x = 1,881,376,830,256,500.75/66,690,055.44
  6. Step 6: Final answer
    x = 28,210,755.23

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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.