Finding the Fourth Proportional to 146,195,040.18, 219,137,485.77 and 68,406,405.06
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Solution
The fourth proportional to 146,195,040.18, 219,137,485.77 and 68,406,405.06 is: 102,537,046.38
Step by Step Solution
- Step 1: Write the proportion equation
146,195,040.18 : 219,137,485.77 = 68,406,405.06 : x - Step 2: Convert to fraction form
146,195,040.18/219,137,485.77 = 68,406,405.06/x - Step 3: Cross multiply
146,195,040.18x = 219,137,485.77 × 68,406,405.06 - Step 4: Simplify right side
146,195,040.18x = 14,990,407,615,412,608 - Step 5: Solve for x
x = 14,990,407,615,412,608/146,195,040.18 - Step 6: Final answer
x = 102,537,046.38
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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.