Finding the Fourth Proportional to 180,060,690.23, 248,346,655.77 and 154,985,477.02
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Solution
The fourth proportional to 180,060,690.23, 248,346,655.77 and 154,985,477.02 is: 213,761,953.60
Step by Step Solution
- Step 1: Write the proportion equation
180,060,690.23 : 248,346,655.77 = 154,985,477.02 : x - Step 2: Convert to fraction form
180,060,690.23/248,346,655.77 = 154,985,477.02/x - Step 3: Cross multiply
180,060,690.23x = 248,346,655.77 × 154,985,477.02 - Step 4: Simplify right side
180,060,690.23x = 38,490,124,910,835,192 - Step 5: Solve for x
x = 38,490,124,910,835,192/180,060,690.23 - Step 6: Final answer
x = 213,761,953.60
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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.