Finding the Fourth Proportional to 159,473,549.56, 220,073,646.70 and 86,134,691.56
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Solution
The fourth proportional to 159,473,549.56, 220,073,646.70 and 86,134,691.56 is: 118,865,954.46
Step by Step Solution
- Step 1: Write the proportion equation
159,473,549.56 : 220,073,646.70 = 86,134,691.56 : x - Step 2: Convert to fraction form
159,473,549.56/220,073,646.70 = 86,134,691.56/x - Step 3: Cross multiply
159,473,549.56x = 220,073,646.70 × 86,134,691.56 - Step 4: Simplify right side
159,473,549.56x = 18,955,975,678,988,912 - Step 5: Solve for x
x = 18,955,975,678,988,912/159,473,549.56 - Step 6: Final answer
x = 118,865,954.46
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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.