Finding the Fourth Proportional to 88,410,386.36, 121,122,668.35 and 85,096,810.21
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Solution
The fourth proportional to 88,410,386.36, 121,122,668.35 and 85,096,810.21 is: 116,583,052.56
Step by Step Solution
- Step 1: Write the proportion equation
88,410,386.36 : 121,122,668.35 = 85,096,810.21 : x - Step 2: Convert to fraction form
88,410,386.36/121,122,668.35 = 85,096,810.21/x - Step 3: Cross multiply
88,410,386.36x = 121,122,668.35 × 85,096,810.21 - Step 4: Simplify right side
88,410,386.36x = 10,307,152,720,667,114 - Step 5: Solve for x
x = 10,307,152,720,667,114/88,410,386.36 - Step 6: Final answer
x = 116,583,052.56
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.