Finding the Fourth Proportional to 135,329,742.97, 186,723,035.87 and 76,592,406.87
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Solution
The fourth proportional to 135,329,742.97, 186,723,035.87 and 76,592,406.87 is: 105,679,405.14
Step by Step Solution
- Step 1: Write the proportion equation
135,329,742.97 : 186,723,035.87 = 76,592,406.87 : x - Step 2: Convert to fraction form
135,329,742.97/186,723,035.87 = 76,592,406.87/x - Step 3: Cross multiply
135,329,742.97x = 186,723,035.87 × 76,592,406.87 - Step 4: Simplify right side
135,329,742.97x = 14,301,566,734,973,684 - Step 5: Solve for x
x = 14,301,566,734,973,684/135,329,742.97 - Step 6: Final answer
x = 105,679,405.14
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.