Finding the Fourth Proportional to 124,013,550.80, 186,020,326.20 and 97,110,203.60
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Solution
The fourth proportional to 124,013,550.80, 186,020,326.20 and 97,110,203.60 is: 145,665,305.40
Step by Step Solution
- Step 1: Write the proportion equation
124,013,550.80 : 186,020,326.20 = 97,110,203.60 : x - Step 2: Convert to fraction form
124,013,550.80/186,020,326.20 = 97,110,203.60/x - Step 3: Cross multiply
124,013,550.80x = 186,020,326.20 × 97,110,203.60 - Step 4: Simplify right side
124,013,550.80x = 18,064,471,751,020,412 - Step 5: Solve for x
x = 18,064,471,751,020,412/124,013,550.80 - Step 6: Final answer
x = 145,665,305.40
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Similar ratio
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1.5x scale
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.