Finding the Fourth Proportional to 99,842,023.60, 149,469,102.60 and 74,395,841.20
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Solution
The fourth proportional to 99,842,023.60, 149,469,102.60 and 74,395,841.20 is: 111,374,742.02
Step by Step Solution
- Step 1: Write the proportion equation
99,842,023.60 : 149,469,102.60 = 74,395,841.20 : x - Step 2: Convert to fraction form
99,842,023.60/149,469,102.60 = 74,395,841.20/x - Step 3: Cross multiply
99,842,023.60x = 149,469,102.60 × 74,395,841.20 - Step 4: Simplify right side
99,842,023.60x = 11,119,879,621,336,108 - Step 5: Solve for x
x = 11,119,879,621,336,108/99,842,023.60 - Step 6: Final answer
x = 111,374,742.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.