Finding the Fourth Proportional to 92,382,951.60, 138,425,128.20 and 58,243,201.20
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Solution
The fourth proportional to 92,382,951.60, 138,425,128.20 and 58,243,201.20 is: 87,270,675.52
Step by Step Solution
- Step 1: Write the proportion equation
92,382,951.60 : 138,425,128.20 = 58,243,201.20 : x - Step 2: Convert to fraction form
92,382,951.60/138,425,128.20 = 58,243,201.20/x - Step 3: Cross multiply
92,382,951.60x = 138,425,128.20 × 58,243,201.20 - Step 4: Simplify right side
92,382,951.60x = 8,062,322,592,888,394 - Step 5: Solve for x
x = 8,062,322,592,888,394/92,382,951.60 - Step 6: Final answer
x = 87,270,675.52
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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.