Finding the Fourth Proportional to 126,326,623.47, 189,508,010.99 and 38,895,538.08
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Solution
The fourth proportional to 126,326,623.47, 189,508,010.99 and 38,895,538.08 is: 58,348,872.59
Step by Step Solution
- Step 1: Write the proportion equation
126,326,623.47 : 189,508,010.99 = 38,895,538.08 : x - Step 2: Convert to fraction form
126,326,623.47/189,508,010.99 = 38,895,538.08/x - Step 3: Cross multiply
126,326,623.47x = 189,508,010.99 × 38,895,538.08 - Step 4: Simplify right side
126,326,623.47x = 7,371,016,057,926,604 - Step 5: Solve for x
x = 7,371,016,057,926,604/126,326,623.47 - Step 6: Final answer
x = 58,348,872.59
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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.