Home / 215,424,968.80-322,673,315.75-145,956,625.13

Finding the Fourth Proportional to 215,424,968.80, 322,673,315.75 and 145,956,625.13

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Solution

The fourth proportional to 215,424,968.80, 322,673,315.75 and 145,956,625.13 is: 218,620,471.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,424,968.80 : 322,673,315.75 = 145,956,625.13 : x
  2. Step 2: Convert to fraction form
    215,424,968.80/322,673,315.75 = 145,956,625.13/x
  3. Step 3: Cross multiply
    215,424,968.80x = 322,673,315.75 × 145,956,625.13
  4. Step 4: Simplify right side
    215,424,968.80x = 47,096,308,185,128,400
  5. Step 5: Solve for x
    x = 47,096,308,185,128,400/215,424,968.80
  6. Step 6: Final answer
    x = 218,620,471.19

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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.