Finding the Fourth Proportional to 68,271,657.60, 102,390,441.36 and 26,780,967.12
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Solution
The fourth proportional to 68,271,657.60, 102,390,441.36 and 26,780,967.12 is: 40,164,764.41
Step by Step Solution
- Step 1: Write the proportion equation
68,271,657.60 : 102,390,441.36 = 26,780,967.12 : x - Step 2: Convert to fraction form
68,271,657.60/102,390,441.36 = 26,780,967.12/x - Step 3: Cross multiply
68,271,657.60x = 102,390,441.36 × 26,780,967.12 - Step 4: Simplify right side
68,271,657.60x = 2,742,115,043,464,448 - Step 5: Solve for x
x = 2,742,115,043,464,448/68,271,657.60 - Step 6: Final answer
x = 40,164,764.41
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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.