Finding the Fourth Proportional to 124,048,091.53, 171,183,237.53 and 68,292,955.31
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Solution
The fourth proportional to 124,048,091.53, 171,183,237.53 and 68,292,955.31 is: 94,242,555.82
Step by Step Solution
- Step 1: Write the proportion equation
124,048,091.53 : 171,183,237.53 = 68,292,955.31 : x - Step 2: Convert to fraction form
124,048,091.53/171,183,237.53 = 68,292,955.31/x - Step 3: Cross multiply
124,048,091.53x = 171,183,237.53 × 68,292,955.31 - Step 4: Simplify right side
124,048,091.53x = 11,690,609,190,543,898 - Step 5: Solve for x
x = 11,690,609,190,543,898/124,048,091.53 - Step 6: Final answer
x = 94,242,555.82
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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.