Finding the Fourth Proportional to 126,445,281.40, 189,809,639.70 and 97,818,326.20
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Solution
The fourth proportional to 126,445,281.40, 189,809,639.70 and 97,818,326.20 is: 146,837,122.32
Step by Step Solution
- Step 1: Write the proportion equation
126,445,281.40 : 189,809,639.70 = 97,818,326.20 : x - Step 2: Convert to fraction form
126,445,281.40/189,809,639.70 = 97,818,326.20/x - Step 3: Cross multiply
126,445,281.40x = 189,809,639.70 × 97,818,326.20 - Step 4: Simplify right side
126,445,281.40x = 18,566,861,252,079,068 - Step 5: Solve for x
x = 18,566,861,252,079,068/126,445,281.40 - Step 6: Final answer
x = 146,837,122.32
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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.