Home / 285,299,814.60-427,651,066.20-119,398,377.60

Finding the Fourth Proportional to 285,299,814.60, 427,651,066.20 and 119,398,377.60

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Solution

The fourth proportional to 285,299,814.60, 427,651,066.20 and 119,398,377.60 is: 178,972,578.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,299,814.60 : 427,651,066.20 = 119,398,377.60 : x
  2. Step 2: Convert to fraction form
    285,299,814.60/427,651,066.20 = 119,398,377.60/x
  3. Step 3: Cross multiply
    285,299,814.60x = 427,651,066.20 × 119,398,377.60
  4. Step 4: Simplify right side
    285,299,814.60x = 51,060,843,483,190,192
  5. Step 5: Solve for x
    x = 51,060,843,483,190,192/285,299,814.60
  6. Step 6: Final answer
    x = 178,972,578.57

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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.