Home / 301,128,267.10-451,713,990.39-126,075,144.64

Finding the Fourth Proportional to 301,128,267.10, 451,713,990.39 and 126,075,144.64

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Solution

The fourth proportional to 301,128,267.10, 451,713,990.39 and 126,075,144.64 is: 189,121,756.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,128,267.10 : 451,713,990.39 = 126,075,144.64 : x
  2. Step 2: Convert to fraction form
    301,128,267.10/451,713,990.39 = 126,075,144.64/x
  3. Step 3: Cross multiply
    301,128,267.10x = 451,713,990.39 × 126,075,144.64
  4. Step 4: Simplify right side
    301,128,267.10x = 56,949,906,674,330,816
  5. Step 5: Solve for x
    x = 56,949,906,674,330,816/301,128,267.10
  6. Step 6: Final answer
    x = 189,121,756.06

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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.