Finding the Fourth Proportional to 124,417,357.12, 171,696,060.48 and 69,413,229.28
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Solution
The fourth proportional to 124,417,357.12, 171,696,060.48 and 69,413,229.28 is: 95,790,316.47
Step by Step Solution
- Step 1: Write the proportion equation
124,417,357.12 : 171,696,060.48 = 69,413,229.28 : x - Step 2: Convert to fraction form
124,417,357.12/171,696,060.48 = 69,413,229.28/x - Step 3: Cross multiply
124,417,357.12x = 171,696,060.48 × 69,413,229.28 - Step 4: Simplify right side
124,417,357.12x = 11,917,978,012,570,986 - Step 5: Solve for x
x = 11,917,978,012,570,986/124,417,357.12 - Step 6: Final answer
x = 95,790,316.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.