Finding the Fourth Proportional to 158,102,710.72, 218,132,024.16 and 88,477,028.80
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Solution
The fourth proportional to 158,102,710.72, 218,132,024.16 and 88,477,028.80 is: 122,070,477.45
Step by Step Solution
- Step 1: Write the proportion equation
158,102,710.72 : 218,132,024.16 = 88,477,028.80 : x - Step 2: Convert to fraction form
158,102,710.72/218,132,024.16 = 88,477,028.80/x - Step 3: Cross multiply
158,102,710.72x = 218,132,024.16 × 88,477,028.80 - Step 4: Simplify right side
158,102,710.72x = 19,299,673,383,806,616 - Step 5: Solve for x
x = 19,299,673,383,806,616/158,102,710.72 - Step 6: Final answer
x = 122,070,477.45
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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.