Finding the Fourth Proportional to 99,848,389.80, 149,772,584.70 and 93,129,925.80
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Solution
The fourth proportional to 99,848,389.80, 149,772,584.70 and 93,129,925.80 is: 139,694,888.70
Step by Step Solution
- Step 1: Write the proportion equation
99,848,389.80 : 149,772,584.70 = 93,129,925.80 : x - Step 2: Convert to fraction form
99,848,389.80/149,772,584.70 = 93,129,925.80/x - Step 3: Cross multiply
99,848,389.80x = 149,772,584.70 × 93,129,925.80 - Step 4: Simplify right side
99,848,389.80x = 13,948,309,699,985,214 - Step 5: Solve for x
x = 13,948,309,699,985,214/99,848,389.80 - Step 6: Final answer
x = 139,694,888.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.