Finding the Fourth Proportional to 159,366,606.89, 219,923,681.97 and 88,805,191.12
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Solution
The fourth proportional to 159,366,606.89, 219,923,681.97 and 88,805,191.12 is: 122,549,918.02
Step by Step Solution
- Step 1: Write the proportion equation
159,366,606.89 : 219,923,681.97 = 88,805,191.12 : x - Step 2: Convert to fraction form
159,366,606.89/219,923,681.97 = 88,805,191.12/x - Step 3: Cross multiply
159,366,606.89x = 219,923,681.97 × 88,805,191.12 - Step 4: Simplify right side
159,366,606.89x = 19,530,364,609,159,948 - Step 5: Solve for x
x = 19,530,364,609,159,948/159,366,606.89 - Step 6: Final answer
x = 122,549,918.02
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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.