Finding the Fourth Proportional to 112,653,272.72, 155,485,771.08 and 68,614,790.96
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Solution
The fourth proportional to 112,653,272.72, 155,485,771.08 and 68,614,790.96 is: 94,703,184.58
Step by Step Solution
- Step 1: Write the proportion equation
112,653,272.72 : 155,485,771.08 = 68,614,790.96 : x - Step 2: Convert to fraction form
112,653,272.72/155,485,771.08 = 68,614,790.96/x - Step 3: Cross multiply
112,653,272.72x = 155,485,771.08 × 68,614,790.96 - Step 4: Simplify right side
112,653,272.72x = 10,668,623,679,908,614 - Step 5: Solve for x
x = 10,668,623,679,908,614/112,653,272.72 - Step 6: Final answer
x = 94,703,184.58
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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.