Finding the Fourth Proportional to 144,745,656.77, 199,750,549.10 and 78,666,158.49
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Solution
The fourth proportional to 144,745,656.77, 199,750,549.10 and 78,666,158.49 is: 108,560,137.17
Step by Step Solution
- Step 1: Write the proportion equation
144,745,656.77 : 199,750,549.10 = 78,666,158.49 : x - Step 2: Convert to fraction form
144,745,656.77/199,750,549.10 = 78,666,158.49/x - Step 3: Cross multiply
144,745,656.77x = 199,750,549.10 × 78,666,158.49 - Step 4: Simplify right side
144,745,656.77x = 15,713,608,353,571,794 - Step 5: Solve for x
x = 15,713,608,353,571,794/144,745,656.77 - Step 6: Final answer
x = 108,560,137.17
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.