Home / 301,128,266.10-451,713,988.89-126,075,143.64

Finding the Fourth Proportional to 301,128,266.10, 451,713,988.89 and 126,075,143.64

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Solution

The fourth proportional to 301,128,266.10, 451,713,988.89 and 126,075,143.64 is: 189,121,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,128,266.10 : 451,713,988.89 = 126,075,143.64 : x
  2. Step 2: Convert to fraction form
    301,128,266.10/451,713,988.89 = 126,075,143.64/x
  3. Step 3: Cross multiply
    301,128,266.10x = 451,713,988.89 × 126,075,143.64
  4. Step 4: Simplify right side
    301,128,266.10x = 56,949,906,033,504,112
  5. Step 5: Solve for x
    x = 56,949,906,033,504,112/301,128,266.10
  6. Step 6: Final answer
    x = 189,121,754.56

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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.