Finding the Fourth Proportional to 124,394,182.16, 171,726,120.28 and 77,366,414
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Solution
The fourth proportional to 124,394,182.16, 171,726,120.28 and 77,366,414 is: 106,804,304.55
Step by Step Solution
- Step 1: Write the proportion equation
124,394,182.16 : 171,726,120.28 = 77,366,414 : x - Step 2: Convert to fraction form
124,394,182.16/171,726,120.28 = 77,366,414/x - Step 3: Cross multiply
124,394,182.16x = 171,726,120.28 × 77,366,414 - Step 4: Simplify right side
124,394,182.16x = 13,285,834,116,196,276 - Step 5: Solve for x
x = 13,285,834,116,196,276/124,394,182.16 - Step 6: Final answer
x = 106,804,304.55
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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.