Finding the Fourth Proportional to 220,125,278.14, 303,779,683.20 and 121,013,598.76
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Solution
The fourth proportional to 220,125,278.14, 303,779,683.20 and 121,013,598.76 is: 167,002,504.23
Step by Step Solution
- Step 1: Write the proportion equation
220,125,278.14 : 303,779,683.20 = 121,013,598.76 : x - Step 2: Convert to fraction form
220,125,278.14/303,779,683.20 = 121,013,598.76/x - Step 3: Cross multiply
220,125,278.14x = 303,779,683.20 × 121,013,598.76 - Step 4: Simplify right side
220,125,278.14x = 36,761,472,694,204,712 - Step 5: Solve for x
x = 36,761,472,694,204,712/220,125,278.14 - Step 6: Final answer
x = 167,002,504.23
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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.