Finding the Fourth Proportional to 99,606,892.55, 137,457,695.14 and 55,556,730.68
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Solution
The fourth proportional to 99,606,892.55, 137,457,695.14 and 55,556,730.68 is: 76,668,390.64
Step by Step Solution
- Step 1: Write the proportion equation
99,606,892.55 : 137,457,695.14 = 55,556,730.68 : x - Step 2: Convert to fraction form
99,606,892.55/137,457,695.14 = 55,556,730.68/x - Step 3: Cross multiply
99,606,892.55x = 137,457,695.14 × 55,556,730.68 - Step 4: Simplify right side
99,606,892.55x = 7,636,700,148,786,524 - Step 5: Solve for x
x = 7,636,700,148,786,524/99,606,892.55 - Step 6: Final answer
x = 76,668,390.64
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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.