Finding the Fourth Proportional to 169,655,206.09, 254,482,809.15 and 83,561,764.09
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Solution
The fourth proportional to 169,655,206.09, 254,482,809.15 and 83,561,764.09 is: 125,342,646.14
Step by Step Solution
- Step 1: Write the proportion equation
169,655,206.09 : 254,482,809.15 = 83,561,764.09 : x - Step 2: Convert to fraction form
169,655,206.09/254,482,809.15 = 83,561,764.09/x - Step 3: Cross multiply
169,655,206.09x = 254,482,809.15 × 83,561,764.09 - Step 4: Simplify right side
169,655,206.09x = 21,265,032,463,152,796 - Step 5: Solve for x
x = 21,265,032,463,152,796/169,655,206.09 - Step 6: Final answer
x = 125,342,646.14
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Double scale
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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.