Finding the Fourth Proportional to 108,219,305.16, 149,338,640.09 and 58,658,614.74
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Solution
The fourth proportional to 108,219,305.16, 149,338,640.09 and 58,658,614.74 is: 80,946,719.64
Step by Step Solution
- Step 1: Write the proportion equation
108,219,305.16 : 149,338,640.09 = 58,658,614.74 : x - Step 2: Convert to fraction form
108,219,305.16/149,338,640.09 = 58,658,614.74/x - Step 3: Cross multiply
108,219,305.16x = 149,338,640.09 × 58,658,614.74 - Step 4: Simplify right side
108,219,305.16x = 8,759,997,754,728,210 - Step 5: Solve for x
x = 8,759,997,754,728,210/108,219,305.16 - Step 6: Final answer
x = 80,946,719.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.