Home / 45,312,022.80-67,991,653.80-19,755,615.60

Finding the Fourth Proportional to 45,312,022.80, 67,991,653.80 and 19,755,615.60

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Solution

The fourth proportional to 45,312,022.80, 67,991,653.80 and 19,755,615.60 is: 29,643,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312,022.80 : 67,991,653.80 = 19,755,615.60 : x
  2. Step 2: Convert to fraction form
    45,312,022.80/67,991,653.80 = 19,755,615.60/x
  3. Step 3: Cross multiply
    45,312,022.80x = 67,991,653.80 × 19,755,615.60
  4. Step 4: Simplify right side
    45,312,022.80x = 1,343,216,976,481,079.25
  5. Step 5: Solve for x
    x = 1,343,216,976,481,079.25/45,312,022.80
  6. Step 6: Final answer
    x = 29,643,721.32

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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.