Finding the Fourth Proportional to 83,457,602.19, 125,098,047.99 and 28,072,712.01
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Solution
The fourth proportional to 83,457,602.19, 125,098,047.99 and 28,072,712.01 is: 42,079,347.86
Step by Step Solution
- Step 1: Write the proportion equation
83,457,602.19 : 125,098,047.99 = 28,072,712.01 : x - Step 2: Convert to fraction form
83,457,602.19/125,098,047.99 = 28,072,712.01/x - Step 3: Cross multiply
83,457,602.19x = 125,098,047.99 × 28,072,712.01 - Step 4: Simplify right side
83,457,602.19x = 3,511,841,474,236,429.50 - Step 5: Solve for x
x = 3,511,841,474,236,429.50/83,457,602.19 - Step 6: Final answer
x = 42,079,347.86
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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.