Finding the Fourth Proportional to 64,756,166.80, 97,121,808.60 and 19,319,443.60
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Solution
The fourth proportional to 64,756,166.80, 97,121,808.60 and 19,319,443.60 is: 28,975,453.56
Step by Step Solution
- Step 1: Write the proportion equation
64,756,166.80 : 97,121,808.60 = 19,319,443.60 : x - Step 2: Convert to fraction form
64,756,166.80/97,121,808.60 = 19,319,443.60/x - Step 3: Cross multiply
64,756,166.80x = 97,121,808.60 × 19,319,443.60 - Step 4: Simplify right side
64,756,166.80x = 1,876,339,303,577,695 - Step 5: Solve for x
x = 1,876,339,303,577,695/64,756,166.80 - Step 6: Final answer
x = 28,975,453.56
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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.