Home / 260,321,894.82-359,243,229.36-142,849,190.92

Finding the Fourth Proportional to 260,321,894.82, 359,243,229.36 and 142,849,190.92

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Solution

The fourth proportional to 260,321,894.82, 359,243,229.36 and 142,849,190.92 is: 197,131,342.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,321,894.82 : 359,243,229.36 = 142,849,190.92 : x
  2. Step 2: Convert to fraction form
    260,321,894.82/359,243,229.36 = 142,849,190.92/x
  3. Step 3: Cross multiply
    260,321,894.82x = 359,243,229.36 × 142,849,190.92
  4. Step 4: Simplify right side
    260,321,894.82x = 51,317,604,657,563,984
  5. Step 5: Solve for x
    x = 51,317,604,657,563,984/260,321,894.82
  6. Step 6: Final answer
    x = 197,131,342.69

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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.