Finding the Fourth Proportional to 298,927,231.80, 448,390,847.70 and 137,684,095.80
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Solution
The fourth proportional to 298,927,231.80, 448,390,847.70 and 137,684,095.80 is: 206,526,143.70
Step by Step Solution
- Step 1: Write the proportion equation
298,927,231.80 : 448,390,847.70 = 137,684,095.80 : x - Step 2: Convert to fraction form
298,927,231.80/448,390,847.70 = 137,684,095.80/x - Step 3: Cross multiply
298,927,231.80x = 448,390,847.70 × 137,684,095.80 - Step 4: Simplify right side
298,927,231.80x = 61,736,288,430,570,016 - Step 5: Solve for x
x = 61,736,288,430,570,016/298,927,231.80 - Step 6: Final answer
x = 206,526,143.70
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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.