Home / 165,860,490.40-248,790,735.60-105,543,613.60

Finding the Fourth Proportional to 165,860,490.40, 248,790,735.60 and 105,543,613.60

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Solution

The fourth proportional to 165,860,490.40, 248,790,735.60 and 105,543,613.60 is: 158,315,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,860,490.40 : 248,790,735.60 = 105,543,613.60 : x
  2. Step 2: Convert to fraction form
    165,860,490.40/248,790,735.60 = 105,543,613.60/x
  3. Step 3: Cross multiply
    165,860,490.40x = 248,790,735.60 × 105,543,613.60
  4. Step 4: Simplify right side
    165,860,490.40x = 26,258,273,265,426,164
  5. Step 5: Solve for x
    x = 26,258,273,265,426,164/165,860,490.40
  6. Step 6: Final answer
    x = 158,315,420.40

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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.