Finding the Fourth Proportional to 131,066,050.68, 180,875,494.08 and 71,530,606.62
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Solution
The fourth proportional to 131,066,050.68, 180,875,494.08 and 71,530,606.62 is: 98,714,607.99
Step by Step Solution
- Step 1: Write the proportion equation
131,066,050.68 : 180,875,494.08 = 71,530,606.62 : x - Step 2: Convert to fraction form
131,066,050.68/180,875,494.08 = 71,530,606.62/x - Step 3: Cross multiply
131,066,050.68x = 180,875,494.08 × 71,530,606.62 - Step 4: Simplify right side
131,066,050.68x = 12,938,133,814,234,620 - Step 5: Solve for x
x = 12,938,133,814,234,620/131,066,050.68 - Step 6: Final answer
x = 98,714,607.99
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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.