Home / 66,433,660.80-99,650,491.20-57,475,708.80

Finding the Fourth Proportional to 66,433,660.80, 99,650,491.20 and 57,475,708.80

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Solution

The fourth proportional to 66,433,660.80, 99,650,491.20 and 57,475,708.80 is: 86,213,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,660.80 : 99,650,491.20 = 57,475,708.80 : x
  2. Step 2: Convert to fraction form
    66,433,660.80/99,650,491.20 = 57,475,708.80/x
  3. Step 3: Cross multiply
    66,433,660.80x = 99,650,491.20 × 57,475,708.80
  4. Step 4: Simplify right side
    66,433,660.80x = 5,727,482,613,988,162
  5. Step 5: Solve for x
    x = 5,727,482,613,988,162/66,433,660.80
  6. Step 6: Final answer
    x = 86,213,563.20

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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.