Finding the Fourth Proportional to 99,732,319.80, 149,626,473.30 and 48,616,006.20
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Solution
The fourth proportional to 99,732,319.80, 149,626,473.30 and 48,616,006.20 is: 72,937,655.20
Step by Step Solution
- Step 1: Write the proportion equation
99,732,319.80 : 149,626,473.30 = 48,616,006.20 : x - Step 2: Convert to fraction form
99,732,319.80/149,626,473.30 = 48,616,006.20/x - Step 3: Cross multiply
99,732,319.80x = 149,626,473.30 × 48,616,006.20 - Step 4: Simplify right side
99,732,319.80x = 7,274,241,553,636,935 - Step 5: Solve for x
x = 7,274,241,553,636,935/99,732,319.80 - Step 6: Final answer
x = 72,937,655.20
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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.