Home / 77,047,848.24-106,326,004.84-42,239,791.32

Finding the Fourth Proportional to 77,047,848.24, 106,326,004.84 and 42,239,791.32

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Solution

The fourth proportional to 77,047,848.24, 106,326,004.84 and 42,239,791.32 is: 58,290,897.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,047,848.24 : 106,326,004.84 = 42,239,791.32 : x
  2. Step 2: Convert to fraction form
    77,047,848.24/106,326,004.84 = 42,239,791.32/x
  3. Step 3: Cross multiply
    77,047,848.24x = 106,326,004.84 × 42,239,791.32
  4. Step 4: Simplify right side
    77,047,848.24x = 4,491,188,256,330,910
  5. Step 5: Solve for x
    x = 4,491,188,256,330,910/77,047,848.24
  6. Step 6: Final answer
    x = 58,290,897.92

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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.