Finding the Fourth Proportional to 157,469,552.10, 236,204,328.15 and 42,465,719.70
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Solution
The fourth proportional to 157,469,552.10, 236,204,328.15 and 42,465,719.70 is: 63,698,579.55
Step by Step Solution
- Step 1: Write the proportion equation
157,469,552.10 : 236,204,328.15 = 42,465,719.70 : x - Step 2: Convert to fraction form
157,469,552.10/236,204,328.15 = 42,465,719.70/x - Step 3: Cross multiply
157,469,552.10x = 236,204,328.15 × 42,465,719.70 - Step 4: Simplify right side
157,469,552.10x = 10,030,586,791,144,720 - Step 5: Solve for x
x = 10,030,586,791,144,720/157,469,552.10 - Step 6: Final answer
x = 63,698,579.55
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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.