Home / 285,294,901.82-427,643,673.38-119,393,459.24

Finding the Fourth Proportional to 285,294,901.82, 427,643,673.38 and 119,393,459.24

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Solution

The fourth proportional to 285,294,901.82, 427,643,673.38 and 119,393,459.24 is: 178,965,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,294,901.82 : 427,643,673.38 = 119,393,459.24 : x
  2. Step 2: Convert to fraction form
    285,294,901.82/427,643,673.38 = 119,393,459.24/x
  3. Step 3: Cross multiply
    285,294,901.82x = 427,643,673.38 × 119,393,459.24
  4. Step 4: Simplify right side
    285,294,901.82x = 51,057,857,486,341,936
  5. Step 5: Solve for x
    x = 51,057,857,486,341,936/285,294,901.82
  6. Step 6: Final answer
    x = 178,965,194.12

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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.