Finding the Fourth Proportional to 213,408,269.08, 294,413,230.92 and 142,866,605.14
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Solution
The fourth proportional to 213,408,269.08, 294,413,230.92 and 142,866,605.14 is: 197,095,543.63
Step by Step Solution
- Step 1: Write the proportion equation
213,408,269.08 : 294,413,230.92 = 142,866,605.14 : x - Step 2: Convert to fraction form
213,408,269.08/294,413,230.92 = 142,866,605.14/x - Step 3: Cross multiply
213,408,269.08x = 294,413,230.92 × 142,866,605.14 - Step 4: Simplify right side
213,408,269.08x = 42,061,818,809,839,280 - Step 5: Solve for x
x = 42,061,818,809,839,280/213,408,269.08 - Step 6: Final answer
x = 197,095,543.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.