Finding the Fourth Proportional to 185,549,315.96, 256,102,651.70 and 106,210,369.12
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Solution
The fourth proportional to 185,549,315.96, 256,102,651.70 and 106,210,369.12 is: 146,595,836.42
Step by Step Solution
- Step 1: Write the proportion equation
185,549,315.96 : 256,102,651.70 = 106,210,369.12 : x - Step 2: Convert to fraction form
185,549,315.96/256,102,651.70 = 106,210,369.12/x - Step 3: Cross multiply
185,549,315.96x = 256,102,651.70 × 106,210,369.12 - Step 4: Simplify right side
185,549,315.96x = 27,200,757,169,667,796 - Step 5: Solve for x
x = 27,200,757,169,667,796/185,549,315.96 - Step 6: Final answer
x = 146,595,836.42
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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.