Finding the Fourth Proportional to 185,645,955.48, 256,193,457.68 and 102,014,107.56
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Solution
The fourth proportional to 185,645,955.48, 256,193,457.68 and 102,014,107.56 is: 140,780,588.95
Step by Step Solution
- Step 1: Write the proportion equation
185,645,955.48 : 256,193,457.68 = 102,014,107.56 : x - Step 2: Convert to fraction form
185,645,955.48/256,193,457.68 = 102,014,107.56/x - Step 3: Cross multiply
185,645,955.48x = 256,193,457.68 × 102,014,107.56 - Step 4: Simplify right side
185,645,955.48x = 26,135,346,947,935,828 - Step 5: Solve for x
x = 26,135,346,947,935,828/185,645,955.48 - Step 6: Final answer
x = 140,780,588.95
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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.