Finding the Fourth Proportional to 85,636,529.13, 118,178,524.23 and 46,478,305.87
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Solution
The fourth proportional to 85,636,529.13, 118,178,524.23 and 46,478,305.87 is: 64,140,123.99
Step by Step Solution
- Step 1: Write the proportion equation
85,636,529.13 : 118,178,524.23 = 46,478,305.87 : x - Step 2: Convert to fraction form
85,636,529.13/118,178,524.23 = 46,478,305.87/x - Step 3: Cross multiply
85,636,529.13x = 118,178,524.23 × 46,478,305.87 - Step 4: Simplify right side
85,636,529.13x = 5,492,737,596,427,146 - Step 5: Solve for x
x = 5,492,737,596,427,146/85,636,529.13 - Step 6: Final answer
x = 64,140,123.99
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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.