Finding the Fourth Proportional to 126,445,291.40, 189,809,654.70 and 97,818,336.20
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Solution
The fourth proportional to 126,445,291.40, 189,809,654.70 and 97,818,336.20 is: 146,837,137.33
Step by Step Solution
- Step 1: Write the proportion equation
126,445,291.40 : 189,809,654.70 = 97,818,336.20 : x - Step 2: Convert to fraction form
126,445,291.40/189,809,654.70 = 97,818,336.20/x - Step 3: Cross multiply
126,445,291.40x = 189,809,654.70 × 97,818,336.20 - Step 4: Simplify right side
126,445,291.40x = 18,566,864,617,450,508 - Step 5: Solve for x
x = 18,566,864,617,450,508/126,445,291.40 - Step 6: Final answer
x = 146,837,137.33
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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.