Finding the Fourth Proportional to 213,569,803.28, 294,737,771.93 and 119,478,337.26
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Solution
The fourth proportional to 213,569,803.28, 294,737,771.93 and 119,478,337.26 is: 164,886,507.26
Step by Step Solution
- Step 1: Write the proportion equation
213,569,803.28 : 294,737,771.93 = 119,478,337.26 : x - Step 2: Convert to fraction form
213,569,803.28/294,737,771.93 = 119,478,337.26/x - Step 3: Cross multiply
213,569,803.28x = 294,737,771.93 × 119,478,337.26 - Step 4: Simplify right side
213,569,803.28x = 35,214,778,917,316,112 - Step 5: Solve for x
x = 35,214,778,917,316,112/213,569,803.28 - Step 6: Final answer
x = 164,886,507.26
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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.