Finding the Fourth Proportional to 88,230,633.80, 121,724,875.86 and 54,724,614.44
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Solution
The fourth proportional to 88,230,633.80, 121,724,875.86 and 54,724,614.44 is: 75,499,252.50
Step by Step Solution
- Step 1: Write the proportion equation
88,230,633.80 : 121,724,875.86 = 54,724,614.44 : x - Step 2: Convert to fraction form
88,230,633.80/121,724,875.86 = 54,724,614.44/x - Step 3: Cross multiply
88,230,633.80x = 121,724,875.86 × 54,724,614.44 - Step 4: Simplify right side
88,230,633.80x = 6,661,346,899,195,363 - Step 5: Solve for x
x = 6,661,346,899,195,363/88,230,633.80 - Step 6: Final answer
x = 75,499,252.50
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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.