Home / 66,476,102.30-99,714,153.45-21,041,452.70

Finding the Fourth Proportional to 66,476,102.30, 99,714,153.45 and 21,041,452.70

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Solution

The fourth proportional to 66,476,102.30, 99,714,153.45 and 21,041,452.70 is: 31,562,179.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,476,102.30 : 99,714,153.45 = 21,041,452.70 : x
  2. Step 2: Convert to fraction form
    66,476,102.30/99,714,153.45 = 21,041,452.70/x
  3. Step 3: Cross multiply
    66,476,102.30x = 99,714,153.45 × 21,041,452.70
  4. Step 4: Simplify right side
    66,476,102.30x = 2,098,130,643,338,716.75
  5. Step 5: Solve for x
    x = 2,098,130,643,338,716.75/66,476,102.30
  6. Step 6: Final answer
    x = 31,562,179.05

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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.