Home / 61,570,223.78-85,059,197.71-40,427,165.36

Finding the Fourth Proportional to 61,570,223.78, 85,059,197.71 and 40,427,165.36

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Solution

The fourth proportional to 61,570,223.78, 85,059,197.71 and 40,427,165.36 is: 55,850,085.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,570,223.78 : 85,059,197.71 = 40,427,165.36 : x
  2. Step 2: Convert to fraction form
    61,570,223.78/85,059,197.71 = 40,427,165.36/x
  3. Step 3: Cross multiply
    61,570,223.78x = 85,059,197.71 × 40,427,165.36
  4. Step 4: Simplify right side
    61,570,223.78x = 3,438,702,251,322,683
  5. Step 5: Solve for x
    x = 3,438,702,251,322,683/61,570,223.78
  6. Step 6: Final answer
    x = 55,850,085.33

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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.