Home / 270,394,533.40-405,535,048.16-76,260,547.73

Finding the Fourth Proportional to 270,394,533.40, 405,535,048.16 and 76,260,547.73

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Solution

The fourth proportional to 270,394,533.40, 405,535,048.16 and 76,260,547.73 is: 114,374,815.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,394,533.40 : 405,535,048.16 = 76,260,547.73 : x
  2. Step 2: Convert to fraction form
    270,394,533.40/405,535,048.16 = 76,260,547.73/x
  3. Step 3: Cross multiply
    270,394,533.40x = 405,535,048.16 × 76,260,547.73
  4. Step 4: Simplify right side
    270,394,533.40x = 30,926,324,893,984,548
  5. Step 5: Solve for x
    x = 30,926,324,893,984,548/270,394,533.40
  6. Step 6: Final answer
    x = 114,374,815.59

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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.