Finding the Fourth Proportional to 79,405,235.88, 119,128,060.62 and 46,643,509.32
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Solution
The fourth proportional to 79,405,235.88, 119,128,060.62 and 46,643,509.32 is: 69,977,133.68
Step by Step Solution
- Step 1: Write the proportion equation
79,405,235.88 : 119,128,060.62 = 46,643,509.32 : x - Step 2: Convert to fraction form
79,405,235.88/119,128,060.62 = 46,643,509.32/x - Step 3: Cross multiply
79,405,235.88x = 119,128,060.62 × 46,643,509.32 - Step 4: Simplify right side
79,405,235.88x = 5,556,550,805,802,495 - Step 5: Solve for x
x = 5,556,550,805,802,495/79,405,235.88 - Step 6: Final answer
x = 69,977,133.68
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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.