Finding the Fourth Proportional to 323,464,018.68, 485,414,342.12 and 126,703,026.09
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Solution
The fourth proportional to 323,464,018.68, 485,414,342.12 and 126,703,026.09 is: 190,140,054.23
Step by Step Solution
- Step 1: Write the proportion equation
323,464,018.68 : 485,414,342.12 = 126,703,026.09 : x - Step 2: Convert to fraction form
323,464,018.68/485,414,342.12 = 126,703,026.09/x - Step 3: Cross multiply
323,464,018.68x = 485,414,342.12 × 126,703,026.09 - Step 4: Simplify right side
323,464,018.68x = 61,503,466,054,407,304 - Step 5: Solve for x
x = 61,503,466,054,407,304/323,464,018.68 - Step 6: Final answer
x = 190,140,054.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.