Home / 85,378,228.79-117,821,995.39-46,220,005.49

Finding the Fourth Proportional to 85,378,228.79, 117,821,995.39 and 46,220,005.49

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Solution

The fourth proportional to 85,378,228.79, 117,821,995.39 and 46,220,005.49 is: 63,783,629.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,378,228.79 : 117,821,995.39 = 46,220,005.49 : x
  2. Step 2: Convert to fraction form
    85,378,228.79/117,821,995.39 = 46,220,005.49/x
  3. Step 3: Cross multiply
    85,378,228.79x = 117,821,995.39 × 46,220,005.49
  4. Step 4: Simplify right side
    85,378,228.79x = 5,445,733,272,977,463
  5. Step 5: Solve for x
    x = 5,445,733,272,977,463/85,378,228.79
  6. Step 6: Final answer
    x = 63,783,629.04

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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.