Finding the Fourth Proportional to 65,184,805.80, 97,777,208.70 and 42,509,989.80
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Solution
The fourth proportional to 65,184,805.80, 97,777,208.70 and 42,509,989.80 is: 63,764,984.70
Step by Step Solution
- Step 1: Write the proportion equation
65,184,805.80 : 97,777,208.70 = 42,509,989.80 : x - Step 2: Convert to fraction form
65,184,805.80/97,777,208.70 = 42,509,989.80/x - Step 3: Cross multiply
65,184,805.80x = 97,777,208.70 × 42,509,989.80 - Step 4: Simplify right side
65,184,805.80x = 4,156,508,144,509,471 - Step 5: Solve for x
x = 4,156,508,144,509,471/65,184,805.80 - Step 6: Final answer
x = 63,764,984.70
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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.