Finding the Fourth Proportional to 83,457,600.93, 125,098,046.12 and 28,072,710.76
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Solution
The fourth proportional to 83,457,600.93, 125,098,046.12 and 28,072,710.76 is: 42,079,345.99
Step by Step Solution
- Step 1: Write the proportion equation
83,457,600.93 : 125,098,046.12 = 28,072,710.76 : x - Step 2: Convert to fraction form
83,457,600.93/125,098,046.12 = 28,072,710.76/x - Step 3: Cross multiply
83,457,600.93x = 125,098,046.12 × 28,072,710.76 - Step 4: Simplify right side
83,457,600.93x = 3,511,841,264,742,410 - Step 5: Solve for x
x = 3,511,841,264,742,410/83,457,600.93 - Step 6: Final answer
x = 42,079,345.99
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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.