Finding the Fourth Proportional to 205,051,586.81, 282,971,904.17 and 110,965,710.26
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Solution
The fourth proportional to 205,051,586.81, 282,971,904.17 and 110,965,710.26 is: 153,133,066.75
Step by Step Solution
- Step 1: Write the proportion equation
205,051,586.81 : 282,971,904.17 = 110,965,710.26 : x - Step 2: Convert to fraction form
205,051,586.81/282,971,904.17 = 110,965,710.26/x - Step 3: Cross multiply
205,051,586.81x = 282,971,904.17 × 110,965,710.26 - Step 4: Simplify right side
205,051,586.81x = 31,400,178,330,001,312 - Step 5: Solve for x
x = 31,400,178,330,001,312/205,051,586.81 - Step 6: Final answer
x = 153,133,066.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.