Home / 285,299,825.60-427,651,082.70-119,398,388.60

Finding the Fourth Proportional to 285,299,825.60, 427,651,082.70 and 119,398,388.60

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Solution

The fourth proportional to 285,299,825.60, 427,651,082.70 and 119,398,388.60 is: 178,972,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,299,825.60 : 427,651,082.70 = 119,398,388.60 : x
  2. Step 2: Convert to fraction form
    285,299,825.60/427,651,082.70 = 119,398,388.60/x
  3. Step 3: Cross multiply
    285,299,825.60x = 427,651,082.70 × 119,398,388.60
  4. Step 4: Simplify right side
    285,299,825.60x = 51,060,850,157,425,336
  5. Step 5: Solve for x
    x = 51,060,850,157,425,336/285,299,825.60
  6. Step 6: Final answer
    x = 178,972,595.06

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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.