Finding the Fourth Proportional to 98,211,495.40, 135,544,082.88 and 56,408,652.52
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Solution
The fourth proportional to 98,211,495.40, 135,544,082.88 and 56,408,652.52 is: 77,850,958.70
Step by Step Solution
- Step 1: Write the proportion equation
98,211,495.40 : 135,544,082.88 = 56,408,652.52 : x - Step 2: Convert to fraction form
98,211,495.40/135,544,082.88 = 56,408,652.52/x - Step 3: Cross multiply
98,211,495.40x = 135,544,082.88 × 56,408,652.52 - Step 4: Simplify right side
98,211,495.40x = 7,645,859,072,320,001 - Step 5: Solve for x
x = 7,645,859,072,320,001/98,211,495.40 - Step 6: Final answer
x = 77,850,958.70
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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.