Finding the Fourth Proportional to 124,127,334.79, 171,289,390.97 and 68,371,554.92
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Solution
The fourth proportional to 124,127,334.79, 171,289,390.97 and 68,371,554.92 is: 94,349,258.54
Step by Step Solution
- Step 1: Write the proportion equation
124,127,334.79 : 171,289,390.97 = 68,371,554.92 : x - Step 2: Convert to fraction form
124,127,334.79/171,289,390.97 = 68,371,554.92/x - Step 3: Cross multiply
124,127,334.79x = 171,289,390.97 × 68,371,554.92 - Step 4: Simplify right side
124,127,334.79x = 11,711,322,001,233,190 - Step 5: Solve for x
x = 11,711,322,001,233,190/124,127,334.79 - Step 6: Final answer
x = 94,349,258.54
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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.