Finding the Fourth Proportional to 124,101,749.12, 171,279,032.66 and 94,283,329.07
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Solution
The fourth proportional to 124,101,749.12, 171,279,032.66 and 94,283,329.07 is: 130,125,139.36
Step by Step Solution
- Step 1: Write the proportion equation
124,101,749.12 : 171,279,032.66 = 94,283,329.07 : x - Step 2: Convert to fraction form
124,101,749.12/171,279,032.66 = 94,283,329.07/x - Step 3: Cross multiply
124,101,749.12x = 171,279,032.66 × 94,283,329.07 - Step 4: Simplify right side
124,101,749.12x = 16,148,757,398,602,640 - Step 5: Solve for x
x = 16,148,757,398,602,640/124,101,749.12 - Step 6: Final answer
x = 130,125,139.36
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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.