Finding the Fourth Proportional to 266,831,476.08, 368,175,068.76 and 167,654,759.28
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Solution
The fourth proportional to 266,831,476.08, 368,175,068.76 and 167,654,759.28 is: 231,330,663.96
Step by Step Solution
- Step 1: Write the proportion equation
266,831,476.08 : 368,175,068.76 = 167,654,759.28 : x - Step 2: Convert to fraction form
266,831,476.08/368,175,068.76 = 167,654,759.28/x - Step 3: Cross multiply
266,831,476.08x = 368,175,068.76 × 167,654,759.28 - Step 4: Simplify right side
266,831,476.08x = 61,726,302,525,855,248 - Step 5: Solve for x
x = 61,726,302,525,855,248/266,831,476.08 - Step 6: Final answer
x = 231,330,663.96
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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.