Home / 260,321,899.07-359,243,235.23-142,849,195.17

Finding the Fourth Proportional to 260,321,899.07, 359,243,235.23 and 142,849,195.17

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Solution

The fourth proportional to 260,321,899.07, 359,243,235.23 and 142,849,195.17 is: 197,131,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,899.07 : 359,243,235.23 = 142,849,195.17 : x
  2. Step 2: Convert to fraction form
    260,321,899.07/359,243,235.23 = 142,849,195.17/x
  3. Step 3: Cross multiply
    260,321,899.07x = 359,243,235.23 × 142,849,195.17
  4. Step 4: Simplify right side
    260,321,899.07x = 51,317,607,022,158,240
  5. Step 5: Solve for x
    x = 51,317,607,022,158,240/260,321,899.07
  6. Step 6: Final answer
    x = 197,131,348.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.