Finding the Fourth Proportional to 154,380,069.98, 213,047,543.62 and 84,764,841.92
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Solution
The fourth proportional to 154,380,069.98, 213,047,543.62 and 84,764,841.92 is: 116,977,154.88
Step by Step Solution
- Step 1: Write the proportion equation
154,380,069.98 : 213,047,543.62 = 84,764,841.92 : x - Step 2: Convert to fraction form
154,380,069.98/213,047,543.62 = 84,764,841.92/x - Step 3: Cross multiply
154,380,069.98x = 213,047,543.62 × 84,764,841.92 - Step 4: Simplify right side
154,380,069.98x = 18,058,941,356,393,604 - Step 5: Solve for x
x = 18,058,941,356,393,604/154,380,069.98 - Step 6: Final answer
x = 116,977,154.88
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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.