Finding the Fourth Proportional to 135,754,492.20, 203,631,738.30 and 125,125,672.20
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Solution
The fourth proportional to 135,754,492.20, 203,631,738.30 and 125,125,672.20 is: 187,688,508.30
Step by Step Solution
- Step 1: Write the proportion equation
135,754,492.20 : 203,631,738.30 = 125,125,672.20 : x - Step 2: Convert to fraction form
135,754,492.20/203,631,738.30 = 125,125,672.20/x - Step 3: Cross multiply
135,754,492.20x = 203,631,738.30 × 125,125,672.20 - Step 4: Simplify right side
135,754,492.20x = 25,479,558,136,041,988 - Step 5: Solve for x
x = 25,479,558,136,041,988/135,754,492.20 - Step 6: Final answer
x = 187,688,508.30
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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.