Finding the Fourth Proportional to 168,681,723.30, 252,854,623.35 and 77,646,536.10
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Solution
The fourth proportional to 168,681,723.30, 252,854,623.35 and 77,646,536.10 is: 116,392,489.10
Step by Step Solution
- Step 1: Write the proportion equation
168,681,723.30 : 252,854,623.35 = 77,646,536.10 : x - Step 2: Convert to fraction form
168,681,723.30/252,854,623.35 = 77,646,536.10/x - Step 3: Cross multiply
168,681,723.30x = 252,854,623.35 × 77,646,536.10 - Step 4: Simplify right side
168,681,723.30x = 19,633,285,639,997,676 - Step 5: Solve for x
x = 19,633,285,639,997,676/168,681,723.30 - Step 6: Final answer
x = 116,392,489.10
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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.