Home / 85,246,763.08-127,876,791.48-30,666,445.60

Finding the Fourth Proportional to 85,246,763.08, 127,876,791.48 and 30,666,445.60

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Solution

The fourth proportional to 85,246,763.08, 127,876,791.48 and 30,666,445.60 is: 46,002,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,246,763.08 : 127,876,791.48 = 30,666,445.60 : x
  2. Step 2: Convert to fraction form
    85,246,763.08/127,876,791.48 = 30,666,445.60/x
  3. Step 3: Cross multiply
    85,246,763.08x = 127,876,791.48 × 30,666,445.60
  4. Step 4: Simplify right side
    85,246,763.08x = 3,921,526,669,423,964
  5. Step 5: Solve for x
    x = 3,921,526,669,423,964/85,246,763.08
  6. Step 6: Final answer
    x = 46,002,059.52

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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.