Finding the Fourth Proportional to 94,115,641.68, 129,883,490.16 and 52,299,550.80
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Solution
The fourth proportional to 94,115,641.68, 129,883,490.16 and 52,299,550.80 is: 72,175,549.89
Step by Step Solution
- Step 1: Write the proportion equation
94,115,641.68 : 129,883,490.16 = 52,299,550.80 : x - Step 2: Convert to fraction form
94,115,641.68/129,883,490.16 = 52,299,550.80/x - Step 3: Cross multiply
94,115,641.68x = 129,883,490.16 × 52,299,550.80 - Step 4: Simplify right side
94,115,641.68x = 6,792,848,191,704,220 - Step 5: Solve for x
x = 6,792,848,191,704,220/94,115,641.68 - Step 6: Final answer
x = 72,175,549.89
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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.