Home / 118,349,169.20-177,397,782.60-45,537,815.60

Finding the Fourth Proportional to 118,349,169.20, 177,397,782.60 and 45,537,815.60

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Solution

The fourth proportional to 118,349,169.20, 177,397,782.60 and 45,537,815.60 is: 68,258,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,349,169.20 : 177,397,782.60 = 45,537,815.60 : x
  2. Step 2: Convert to fraction form
    118,349,169.20/177,397,782.60 = 45,537,815.60/x
  3. Step 3: Cross multiply
    118,349,169.20x = 177,397,782.60 × 45,537,815.60
  4. Step 4: Simplify right side
    118,349,169.20x = 8,078,307,511,887,689
  5. Step 5: Solve for x
    x = 8,078,307,511,887,689/118,349,169.20
  6. Step 6: Final answer
    x = 68,258,252.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.