Home / 301,149,566.72-415,352,106.96-217,830,247.28

Finding the Fourth Proportional to 301,149,566.72, 415,352,106.96 and 217,830,247.28

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Solution

The fourth proportional to 301,149,566.72, 415,352,106.96 and 217,830,247.28 is: 300,436,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,149,566.72 : 415,352,106.96 = 217,830,247.28 : x
  2. Step 2: Convert to fraction form
    301,149,566.72/415,352,106.96 = 217,830,247.28/x
  3. Step 3: Cross multiply
    301,149,566.72x = 415,352,106.96 × 217,830,247.28
  4. Step 4: Simplify right side
    301,149,566.72x = 90,476,252,167,365,808
  5. Step 5: Solve for x
    x = 90,476,252,167,365,808/301,149,566.72
  6. Step 6: Final answer
    x = 300,436,268.77

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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.