Finding the Fourth Proportional to 156,798,963.36, 235,252,367.28 and 92,156,850.72
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Solution
The fourth proportional to 156,798,963.36, 235,252,367.28 and 92,156,850.72 is: 138,266,968.28
Step by Step Solution
- Step 1: Write the proportion equation
156,798,963.36 : 235,252,367.28 = 92,156,850.72 : x - Step 2: Convert to fraction form
156,798,963.36/235,252,367.28 = 92,156,850.72/x - Step 3: Cross multiply
156,798,963.36x = 235,252,367.28 × 92,156,850.72 - Step 4: Simplify right side
156,798,963.36x = 21,680,117,292,949,572 - Step 5: Solve for x
x = 21,680,117,292,949,572/156,798,963.36 - Step 6: Final answer
x = 138,266,968.28
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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.