Finding the Fourth Proportional to 193,175,153.98, 266,557,516.32 and 130,587,430.06
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Solution
The fourth proportional to 193,175,153.98, 266,557,516.32 and 130,587,430.06 is: 180,194,296.74
Step by Step Solution
- Step 1: Write the proportion equation
193,175,153.98 : 266,557,516.32 = 130,587,430.06 : x - Step 2: Convert to fraction form
193,175,153.98/266,557,516.32 = 130,587,430.06/x - Step 3: Cross multiply
193,175,153.98x = 266,557,516.32 × 130,587,430.06 - Step 4: Simplify right side
193,175,153.98x = 34,809,061,019,405,308 - Step 5: Solve for x
x = 34,809,061,019,405,308/193,175,153.98 - Step 6: Final answer
x = 180,194,296.74
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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.