Finding the Fourth Proportional to 131,641,156.26, 181,577,323.08 and 84,657,630.42
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Solution
The fourth proportional to 131,641,156.26, 181,577,323.08 and 84,657,630.42 is: 116,771,276.91
Step by Step Solution
- Step 1: Write the proportion equation
131,641,156.26 : 181,577,323.08 = 84,657,630.42 : x - Step 2: Convert to fraction form
131,641,156.26/181,577,323.08 = 84,657,630.42/x - Step 3: Cross multiply
131,641,156.26x = 181,577,323.08 × 84,657,630.42 - Step 4: Simplify right side
131,641,156.26x = 15,371,905,909,959,578 - Step 5: Solve for x
x = 15,371,905,909,959,578/131,641,156.26 - Step 6: Final answer
x = 116,771,276.91
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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.