Home / 144,261,667,771.49-198,998,389,457.31-89,973,966,277.53

Finding the Fourth Proportional to 144,261,667,771.49, 198,998,389,457.31 and 89,973,966,277.53

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Solution

The fourth proportional to 144,261,667,771.49, 198,998,389,457.31 and 89,973,966,277.53 is: 124,112,487,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,261,667,771.49 : 198,998,389,457.31 = 89,973,966,277.53 : x
  2. Step 2: Convert to fraction form
    144,261,667,771.49/198,998,389,457.31 = 89,973,966,277.53/x
  3. Step 3: Cross multiply
    144,261,667,771.49x = 198,998,389,457.31 × 89,973,966,277.53
  4. Step 4: Simplify right side
    144,261,667,771.49x = 17,904,674,382,314,790,191,104
  5. Step 5: Solve for x
    x = 17,904,674,382,314,790,191,104/144,261,667,771.49
  6. Step 6: Final answer
    x = 124,112,487,113.87

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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.