Home / 160,782,865.83-221,880,464.20-90,208,733.47

Finding the Fourth Proportional to 160,782,865.83, 221,880,464.20 and 90,208,733.47

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Solution

The fourth proportional to 160,782,865.83, 221,880,464.20 and 90,208,733.47 is: 124,488,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,782,865.83 : 221,880,464.20 = 90,208,733.47 : x
  2. Step 2: Convert to fraction form
    160,782,865.83/221,880,464.20 = 90,208,733.47/x
  3. Step 3: Cross multiply
    160,782,865.83x = 221,880,464.20 × 90,208,733.47
  4. Step 4: Simplify right side
    160,782,865.83x = 20,015,555,656,766,632
  5. Step 5: Solve for x
    x = 20,015,555,656,766,632/160,782,865.83
  6. Step 6: Final answer
    x = 124,488,113.54

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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.