Finding the Fourth Proportional to 73,748,409.30, 110,528,135.55 and 65,623,266.90
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Solution
The fourth proportional to 73,748,409.30, 110,528,135.55 and 65,623,266.90 is: 98,350,830.99
Step by Step Solution
- Step 1: Write the proportion equation
73,748,409.30 : 110,528,135.55 = 65,623,266.90 : x - Step 2: Convert to fraction form
73,748,409.30/110,528,135.55 = 65,623,266.90/x - Step 3: Cross multiply
73,748,409.30x = 110,528,135.55 × 65,623,266.90 - Step 4: Simplify right side
73,748,409.30x = 7,253,217,339,157,028 - Step 5: Solve for x
x = 7,253,217,339,157,028/73,748,409.30 - Step 6: Final answer
x = 98,350,830.99
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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.