Home / 160,048,349.64-220,863,843.45-90,432,235.85

Finding the Fourth Proportional to 160,048,349.64, 220,863,843.45 and 90,432,235.85

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Solution

The fourth proportional to 160,048,349.64, 220,863,843.45 and 90,432,235.85 is: 124,794,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,048,349.64 : 220,863,843.45 = 90,432,235.85 : x
  2. Step 2: Convert to fraction form
    160,048,349.64/220,863,843.45 = 90,432,235.85/x
  3. Step 3: Cross multiply
    160,048,349.64x = 220,863,843.45 × 90,432,235.85
  4. Step 4: Simplify right side
    160,048,349.64x = 19,973,211,180,503,556
  5. Step 5: Solve for x
    x = 19,973,211,180,503,556/160,048,349.64
  6. Step 6: Final answer
    x = 124,794,858.71

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1.5x scale

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.