Finding the Fourth Proportional to 219,171,528.08, 302,455,953.96 and 126,351,593.36
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Solution
The fourth proportional to 219,171,528.08, 302,455,953.96 and 126,351,593.36 is: 174,364,763.70
Step by Step Solution
- Step 1: Write the proportion equation
219,171,528.08 : 302,455,953.96 = 126,351,593.36 : x - Step 2: Convert to fraction form
219,171,528.08/302,455,953.96 = 126,351,593.36/x - Step 3: Cross multiply
219,171,528.08x = 302,455,953.96 × 126,351,593.36 - Step 4: Simplify right side
219,171,528.08x = 38,215,791,704,064,800 - Step 5: Solve for x
x = 38,215,791,704,064,800/219,171,528.08 - Step 6: Final answer
x = 174,364,763.70
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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.