Finding the Fourth Proportional to 257,554,066.75, 355,517,062.61 and 153,131,888.96
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Solution
The fourth proportional to 257,554,066.75, 355,517,062.61 and 153,131,888.96 is: 211,376,974.32
Step by Step Solution
- Step 1: Write the proportion equation
257,554,066.75 : 355,517,062.61 = 153,131,888.96 : x - Step 2: Convert to fraction form
257,554,066.75/355,517,062.61 = 153,131,888.96/x - Step 3: Cross multiply
257,554,066.75x = 355,517,062.61 × 153,131,888.96 - Step 4: Simplify right side
257,554,066.75x = 54,440,999,353,585,136 - Step 5: Solve for x
x = 54,440,999,353,585,136/257,554,066.75 - Step 6: Final answer
x = 211,376,974.32
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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.