Finding the Fourth Proportional to 126,418,160.39, 189,627,484.55 and 48,731,647.91
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Solution
The fourth proportional to 126,418,160.39, 189,627,484.55 and 48,731,647.91 is: 73,097,565.90
Step by Step Solution
- Step 1: Write the proportion equation
126,418,160.39 : 189,627,484.55 = 48,731,647.91 : x - Step 2: Convert to fraction form
126,418,160.39/189,627,484.55 = 48,731,647.91/x - Step 3: Cross multiply
126,418,160.39x = 189,627,484.55 × 48,731,647.91 - Step 4: Simplify right side
126,418,160.39x = 9,240,859,809,957,768 - Step 5: Solve for x
x = 9,240,859,809,957,768/126,418,160.39 - Step 6: Final answer
x = 73,097,565.90
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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.