Finding the Fourth Proportional to 124,346,823.02, 171,595,585.44 and 68,591,022.65
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Solution
The fourth proportional to 124,346,823.02, 171,595,585.44 and 68,591,022.65 is: 94,653,939.70
Step by Step Solution
- Step 1: Write the proportion equation
124,346,823.02 : 171,595,585.44 = 68,591,022.65 : x - Step 2: Convert to fraction form
124,346,823.02/171,595,585.44 = 68,591,022.65/x - Step 3: Cross multiply
124,346,823.02x = 171,595,585.44 × 68,591,022.65 - Step 4: Simplify right side
124,346,823.02x = 11,769,916,687,555,052 - Step 5: Solve for x
x = 11,769,916,687,555,052/124,346,823.02 - Step 6: Final answer
x = 94,653,939.70
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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.