Home / 114,973,993.40-172,460,997.63-91,836,598.88

Finding the Fourth Proportional to 114,973,993.40, 172,460,997.63 and 91,836,598.88

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Solution

The fourth proportional to 114,973,993.40, 172,460,997.63 and 91,836,598.88 is: 137,754,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,973,993.40 : 172,460,997.63 = 91,836,598.88 : x
  2. Step 2: Convert to fraction form
    114,973,993.40/172,460,997.63 = 91,836,598.88/x
  3. Step 3: Cross multiply
    114,973,993.40x = 172,460,997.63 × 91,836,598.88
  4. Step 4: Simplify right side
    114,973,993.40x = 15,838,231,462,012,390
  5. Step 5: Solve for x
    x = 15,838,231,462,012,390/114,973,993.40
  6. Step 6: Final answer
    x = 137,754,904.33

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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.