Finding the Fourth Proportional to 220,748,299.34, 304,639,553.12 and 126,679,653.53
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Solution
The fourth proportional to 220,748,299.34, 304,639,553.12 and 126,679,653.53 is: 174,821,881.55
Step by Step Solution
- Step 1: Write the proportion equation
220,748,299.34 : 304,639,553.12 = 126,679,653.53 : x - Step 2: Convert to fraction form
220,748,299.34/304,639,553.12 = 126,679,653.53/x - Step 3: Cross multiply
220,748,299.34x = 304,639,553.12 × 126,679,653.53 - Step 4: Simplify right side
220,748,299.34x = 38,591,633,038,619,040 - Step 5: Solve for x
x = 38,591,633,038,619,040/220,748,299.34 - Step 6: Final answer
x = 174,821,881.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.