Finding the Fourth Proportional to 99,637,541.09, 149,446,220.63 and 26,861,678.40
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Solution
The fourth proportional to 99,637,541.09, 149,446,220.63 and 26,861,678.40 is: 40,289,797.12
Step by Step Solution
- Step 1: Write the proportion equation
99,637,541.09 : 149,446,220.63 = 26,861,678.40 : x - Step 2: Convert to fraction form
99,637,541.09/149,446,220.63 = 26,861,678.40/x - Step 3: Cross multiply
99,637,541.09x = 149,446,220.63 × 26,861,678.40 - Step 4: Simplify right side
99,637,541.09x = 4,014,376,316,115,004.50 - Step 5: Solve for x
x = 4,014,376,316,115,004.50/99,637,541.09 - Step 6: Final answer
x = 40,289,797.12
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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.