Finding the Fourth Proportional to 45,558,849.68, 62,900,555.12 and 40,655,639.44
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Solution
The fourth proportional to 45,558,849.68, 62,900,555.12 and 40,655,639.44 is: 56,130,967.03
Step by Step Solution
- Step 1: Write the proportion equation
45,558,849.68 : 62,900,555.12 = 40,655,639.44 : x - Step 2: Convert to fraction form
45,558,849.68/62,900,555.12 = 40,655,639.44/x - Step 3: Cross multiply
45,558,849.68x = 62,900,555.12 × 40,655,639.44 - Step 4: Simplify right side
45,558,849.68x = 2,557,262,289,534,565.50 - Step 5: Solve for x
x = 2,557,262,289,534,565.50/45,558,849.68 - Step 6: Final answer
x = 56,130,967.03
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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.