Finding the Fourth Proportional to 115,029,151.12, 172,629,420.63 and 84,402,869.68
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Solution
The fourth proportional to 115,029,151.12, 172,629,420.63 and 84,402,869.68 is: 126,667,182.63
Step by Step Solution
- Step 1: Write the proportion equation
115,029,151.12 : 172,629,420.63 = 84,402,869.68 : x - Step 2: Convert to fraction form
115,029,151.12/172,629,420.63 = 84,402,869.68/x - Step 3: Cross multiply
115,029,151.12x = 172,629,420.63 × 84,402,869.68 - Step 4: Simplify right side
115,029,151.12x = 14,570,418,492,367,794 - Step 5: Solve for x
x = 14,570,418,492,367,794/115,029,151.12 - Step 6: Final answer
x = 126,667,182.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.