Finding the Fourth Proportional to 217,326,306.72, 299,912,466.96 and 118,209,360
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Solution
The fourth proportional to 217,326,306.72, 299,912,466.96 and 118,209,360 is: 163,130,093.68
Step by Step Solution
- Step 1: Write the proportion equation
217,326,306.72 : 299,912,466.96 = 118,209,360 : x - Step 2: Convert to fraction form
217,326,306.72/299,912,466.96 = 118,209,360/x - Step 3: Cross multiply
217,326,306.72x = 299,912,466.96 × 118,209,360 - Step 4: Simplify right side
217,326,306.72x = 35,452,460,775,362,744 - Step 5: Solve for x
x = 35,452,460,775,362,744/217,326,306.72 - Step 6: Final answer
x = 163,130,093.68
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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.