Finding the Fourth Proportional to 151,164,683.71, 208,593,964.35 and 84,178,580.09
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Solution
The fourth proportional to 151,164,683.71, 208,593,964.35 and 84,178,580.09 is: 116,159,034.65
Step by Step Solution
- Step 1: Write the proportion equation
151,164,683.71 : 208,593,964.35 = 84,178,580.09 : x - Step 2: Convert to fraction form
151,164,683.71/208,593,964.35 = 84,178,580.09/x - Step 3: Cross multiply
151,164,683.71x = 208,593,964.35 × 84,178,580.09 - Step 4: Simplify right side
151,164,683.71x = 17,559,143,733,284,108 - Step 5: Solve for x
x = 17,559,143,733,284,108/151,164,683.71 - Step 6: Final answer
x = 116,159,034.65
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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.