Home / 321,636,326.68-481,237,019.90-190,548,979.16

Finding the Fourth Proportional to 321,636,326.68, 481,237,019.90 and 190,548,979.16

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Solution

The fourth proportional to 321,636,326.68, 481,237,019.90 and 190,548,979.16 is: 285,102,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,636,326.68 : 481,237,019.90 = 190,548,979.16 : x
  2. Step 2: Convert to fraction form
    321,636,326.68/481,237,019.90 = 190,548,979.16/x
  3. Step 3: Cross multiply
    321,636,326.68x = 481,237,019.90 × 190,548,979.16
  4. Step 4: Simplify right side
    321,636,326.68x = 91,699,222,875,945,600
  5. Step 5: Solve for x
    x = 91,699,222,875,945,600/321,636,326.68
  6. Step 6: Final answer
    x = 285,102,195.46

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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.