Finding the Fourth Proportional to 129,537,596.16, 194,186,820.48 and 64,785,054.72
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Solution
The fourth proportional to 129,537,596.16, 194,186,820.48 and 64,785,054.72 is: 97,117,780.19
Step by Step Solution
- Step 1: Write the proportion equation
129,537,596.16 : 194,186,820.48 = 64,785,054.72 : x - Step 2: Convert to fraction form
129,537,596.16/194,186,820.48 = 64,785,054.72/x - Step 3: Cross multiply
129,537,596.16x = 194,186,820.48 × 64,785,054.72 - Step 4: Simplify right side
129,537,596.16x = 12,580,403,790,699,616 - Step 5: Solve for x
x = 12,580,403,790,699,616/129,537,596.16 - Step 6: Final answer
x = 97,117,780.19
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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.