Finding the Fourth Proportional to 189,311,389.08, 283,219,926.66 and 143,385,555.48
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Solution
The fourth proportional to 189,311,389.08, 283,219,926.66 and 143,385,555.48 is: 214,512,432.16
Step by Step Solution
- Step 1: Write the proportion equation
189,311,389.08 : 283,219,926.66 = 143,385,555.48 : x - Step 2: Convert to fraction form
189,311,389.08/283,219,926.66 = 143,385,555.48/x - Step 3: Cross multiply
189,311,389.08x = 283,219,926.66 × 143,385,555.48 - Step 4: Simplify right side
189,311,389.08x = 40,609,646,507,148,960 - Step 5: Solve for x
x = 40,609,646,507,148,960/189,311,389.08 - Step 6: Final answer
x = 214,512,432.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.