Home / 66,192,643.80-99,288,965.70-17,670,403.80

Finding the Fourth Proportional to 66,192,643.80, 99,288,965.70 and 17,670,403.80

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Solution

The fourth proportional to 66,192,643.80, 99,288,965.70 and 17,670,403.80 is: 26,505,605.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192,643.80 : 99,288,965.70 = 17,670,403.80 : x
  2. Step 2: Convert to fraction form
    66,192,643.80/99,288,965.70 = 17,670,403.80/x
  3. Step 3: Cross multiply
    66,192,643.80x = 99,288,965.70 × 17,670,403.80
  4. Step 4: Simplify right side
    66,192,643.80x = 1,754,476,116,803,349.75
  5. Step 5: Solve for x
    x = 1,754,476,116,803,349.75/66,192,643.80
  6. Step 6: Final answer
    x = 26,505,605.70

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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.