Finding the Fourth Proportional to 103,690,841.94, 143,097,709.05 and 59,637,853.08
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Solution
The fourth proportional to 103,690,841.94, 143,097,709.05 and 59,637,853.08 is: 82,302,737.53
Step by Step Solution
- Step 1: Write the proportion equation
103,690,841.94 : 143,097,709.05 = 59,637,853.08 : x - Step 2: Convert to fraction form
103,690,841.94/143,097,709.05 = 59,637,853.08/x - Step 3: Cross multiply
103,690,841.94x = 143,097,709.05 × 59,637,853.08 - Step 4: Simplify right side
103,690,841.94x = 8,534,040,148,408,487 - Step 5: Solve for x
x = 8,534,040,148,408,487/103,690,841.94 - Step 6: Final answer
x = 82,302,737.53
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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.