Finding the Fourth Proportional to 99,121,487.08, 148,631,177.80 and 44,487,236.40
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Solution
The fourth proportional to 99,121,487.08, 148,631,177.80 and 44,487,236.40 is: 66,707,941.32
Step by Step Solution
- Step 1: Write the proportion equation
99,121,487.08 : 148,631,177.80 = 44,487,236.40 : x - Step 2: Convert to fraction form
99,121,487.08/148,631,177.80 = 44,487,236.40/x - Step 3: Cross multiply
99,121,487.08x = 148,631,177.80 × 44,487,236.40 - Step 4: Simplify right side
99,121,487.08x = 6,612,190,343,199,032 - Step 5: Solve for x
x = 6,612,190,343,199,032/99,121,487.08 - Step 6: Final answer
x = 66,707,941.32
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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.