Finding the Fourth Proportional to 84,675,710.21, 116,893,537.08 and 56,788,219.19
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Solution
The fourth proportional to 84,675,710.21, 116,893,537.08 and 56,788,219.19 is: 78,395,277.56
Step by Step Solution
- Step 1: Write the proportion equation
84,675,710.21 : 116,893,537.08 = 56,788,219.19 : x - Step 2: Convert to fraction form
84,675,710.21/116,893,537.08 = 56,788,219.19/x - Step 3: Cross multiply
84,675,710.21x = 116,893,537.08 × 56,788,219.19 - Step 4: Simplify right side
84,675,710.21x = 6,638,175,805,008,965 - Step 5: Solve for x
x = 6,638,175,805,008,965/84,675,710.21 - Step 6: Final answer
x = 78,395,277.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.