Finding the Fourth Proportional to 99,637,541.70, 149,446,221.57 and 26,861,679.03
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Solution
The fourth proportional to 99,637,541.70, 149,446,221.57 and 26,861,679.03 is: 40,289,798.08
Step by Step Solution
- Step 1: Write the proportion equation
99,637,541.70 : 149,446,221.57 = 26,861,679.03 : x - Step 2: Convert to fraction form
99,637,541.70/149,446,221.57 = 26,861,679.03/x - Step 3: Cross multiply
99,637,541.70x = 149,446,221.57 × 26,861,679.03 - Step 4: Simplify right side
99,637,541.70x = 4,014,376,436,059,602.50 - Step 5: Solve for x
x = 4,014,376,436,059,602.50/99,637,541.70 - Step 6: Final answer
x = 40,289,798.08
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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.