Finding the Fourth Proportional to 99,495,423.80, 149,243,135.70 and 34,777,719.80
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Solution
The fourth proportional to 99,495,423.80, 149,243,135.70 and 34,777,719.80 is: 52,166,579.70
Step by Step Solution
- Step 1: Write the proportion equation
99,495,423.80 : 149,243,135.70 = 34,777,719.80 : x - Step 2: Convert to fraction form
99,495,423.80/149,243,135.70 = 34,777,719.80/x - Step 3: Cross multiply
99,495,423.80x = 149,243,135.70 × 34,777,719.80 - Step 4: Simplify right side
99,495,423.80x = 5,190,335,955,447,976 - Step 5: Solve for x
x = 5,190,335,955,447,976/99,495,423.80 - Step 6: Final answer
x = 52,166,579.70
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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.