Finding the Fourth Proportional to 129,113,121.98, 193,681,313.40 and 41,676,712.08
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Solution
The fourth proportional to 129,113,121.98, 193,681,313.40 and 41,676,712.08 is: 62,518,822.33
Step by Step Solution
- Step 1: Write the proportion equation
129,113,121.98 : 193,681,313.40 = 41,676,712.08 : x - Step 2: Convert to fraction form
129,113,121.98/193,681,313.40 = 41,676,712.08/x - Step 3: Cross multiply
129,113,121.98x = 193,681,313.40 × 41,676,712.08 - Step 4: Simplify right side
129,113,121.98x = 8,072,000,333,848,046 - Step 5: Solve for x
x = 8,072,000,333,848,046/129,113,121.98 - Step 6: Final answer
x = 62,518,822.33
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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.