Finding the Fourth Proportional to 129,394,485.18, 193,947,961.55 and 98,587,501.04
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Solution
The fourth proportional to 129,394,485.18, 193,947,961.55 and 98,587,501.04 is: 147,771,714.02
Step by Step Solution
- Step 1: Write the proportion equation
129,394,485.18 : 193,947,961.55 = 98,587,501.04 : x - Step 2: Convert to fraction form
129,394,485.18/193,947,961.55 = 98,587,501.04/x - Step 3: Cross multiply
129,394,485.18x = 193,947,961.55 × 98,587,501.04 - Step 4: Simplify right side
129,394,485.18x = 19,120,844,859,553,824 - Step 5: Solve for x
x = 19,120,844,859,553,824/129,394,485.18 - Step 6: Final answer
x = 147,771,714.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.