Finding the Fourth Proportional to 291,101,813.25, 436,397,628.19 and 109,476,537.09
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Solution
The fourth proportional to 291,101,813.25, 436,397,628.19 and 109,476,537.09 is: 164,118,871.66
Step by Step Solution
- Step 1: Write the proportion equation
291,101,813.25 : 436,397,628.19 = 109,476,537.09 : x - Step 2: Convert to fraction form
291,101,813.25/436,397,628.19 = 109,476,537.09/x - Step 3: Cross multiply
291,101,813.25x = 436,397,628.19 × 109,476,537.09 - Step 4: Simplify right side
291,101,813.25x = 47,775,301,126,826,200 - Step 5: Solve for x
x = 47,775,301,126,826,200/291,101,813.25 - Step 6: Final answer
x = 164,118,871.66
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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.