Finding the Fourth Proportional to 292,027,120.51, 402,997,445.96 and 159,868,117.03
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Solution
The fourth proportional to 292,027,120.51, 402,997,445.96 and 159,868,117.03 is: 220,618,012.26
Step by Step Solution
- Step 1: Write the proportion equation
292,027,120.51 : 402,997,445.96 = 159,868,117.03 : x - Step 2: Convert to fraction form
292,027,120.51/402,997,445.96 = 159,868,117.03/x - Step 3: Cross multiply
292,027,120.51x = 402,997,445.96 × 159,868,117.03 - Step 4: Simplify right side
292,027,120.51x = 64,426,442,852,916,552 - Step 5: Solve for x
x = 64,426,442,852,916,552/292,027,120.51 - Step 6: Final answer
x = 220,618,012.26
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1.5x scale
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.