Home / 49,921,880.73-68,899,038.71-28,728,225.12

Finding the Fourth Proportional to 49,921,880.73, 68,899,038.71 and 28,728,225.12

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Solution

The fourth proportional to 49,921,880.73, 68,899,038.71 and 28,728,225.12 is: 39,648,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,921,880.73 : 68,899,038.71 = 28,728,225.12 : x
  2. Step 2: Convert to fraction form
    49,921,880.73/68,899,038.71 = 28,728,225.12/x
  3. Step 3: Cross multiply
    49,921,880.73x = 68,899,038.71 × 28,728,225.12
  4. Step 4: Simplify right side
    49,921,880.73x = 1,979,347,094,612,474.25
  5. Step 5: Solve for x
    x = 1,979,347,094,612,474.25/49,921,880.73
  6. Step 6: Final answer
    x = 39,648,888.74

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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.