Home / 79,435,431.28-109,631,945.64-44,630,815.60

Finding the Fourth Proportional to 79,435,431.28, 109,631,945.64 and 44,630,815.60

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Solution

The fourth proportional to 79,435,431.28, 109,631,945.64 and 44,630,815.60 is: 61,596,734.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,435,431.28 : 109,631,945.64 = 44,630,815.60 : x
  2. Step 2: Convert to fraction form
    79,435,431.28/109,631,945.64 = 44,630,815.60/x
  3. Step 3: Cross multiply
    79,435,431.28x = 109,631,945.64 × 44,630,815.60
  4. Step 4: Simplify right side
    79,435,431.28x = 4,892,963,149,728,064
  5. Step 5: Solve for x
    x = 4,892,963,149,728,064/79,435,431.28
  6. Step 6: Final answer
    x = 61,596,734.24

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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.