Home / 49,775,019.02-68,689,819.86-28,879,493.60

Finding the Fourth Proportional to 49,775,019.02, 68,689,819.86 and 28,879,493.60

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Solution

The fourth proportional to 49,775,019.02, 68,689,819.86 and 28,879,493.60 is: 39,853,871.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,775,019.02 : 68,689,819.86 = 28,879,493.60 : x
  2. Step 2: Convert to fraction form
    49,775,019.02/68,689,819.86 = 28,879,493.60/x
  3. Step 3: Cross multiply
    49,775,019.02x = 68,689,819.86 × 28,879,493.60
  4. Step 4: Simplify right side
    49,775,019.02x = 1,983,727,213,032,023
  5. Step 5: Solve for x
    x = 1,983,727,213,032,023/49,775,019.02
  6. Step 6: Final answer
    x = 39,853,871.52

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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.