Home / 306,563,770.80-422,994,850.08-176,158,384.56

Finding the Fourth Proportional to 306,563,770.80, 422,994,850.08 and 176,158,384.56

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Solution

The fourth proportional to 306,563,770.80, 422,994,850.08 and 176,158,384.56 is: 243,062,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,563,770.80 : 422,994,850.08 = 176,158,384.56 : x
  2. Step 2: Convert to fraction form
    306,563,770.80/422,994,850.08 = 176,158,384.56/x
  3. Step 3: Cross multiply
    306,563,770.80x = 422,994,850.08 × 176,158,384.56
  4. Step 4: Simplify right side
    306,563,770.80x = 74,514,089,467,292,192
  5. Step 5: Solve for x
    x = 74,514,089,467,292,192/306,563,770.80
  6. Step 6: Final answer
    x = 243,062,281.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.