Home / 66,084,953.43-99,116,435.42-20,015,869.34

Finding the Fourth Proportional to 66,084,953.43, 99,116,435.42 and 20,015,869.34

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Solution

The fourth proportional to 66,084,953.43, 99,116,435.42 and 20,015,869.34 is: 30,020,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,084,953.43 : 99,116,435.42 = 20,015,869.34 : x
  2. Step 2: Convert to fraction form
    66,084,953.43/99,116,435.42 = 20,015,869.34/x
  3. Step 3: Cross multiply
    66,084,953.43x = 99,116,435.42 × 20,015,869.34
  4. Step 4: Simplify right side
    66,084,953.43x = 1,983,901,621,111,099
  5. Step 5: Solve for x
    x = 1,983,901,621,111,099/66,084,953.43
  6. Step 6: Final answer
    x = 30,020,473.92

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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.