Finding the Fourth Proportional to 135,339,628.48, 186,768,838.56 and 73,459,950.40
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Solution
The fourth proportional to 135,339,628.48, 186,768,838.56 and 73,459,950.40 is: 101,374,813.65
Step by Step Solution
- Step 1: Write the proportion equation
135,339,628.48 : 186,768,838.56 = 73,459,950.40 : x - Step 2: Convert to fraction form
135,339,628.48/186,768,838.56 = 73,459,950.40/x - Step 3: Cross multiply
135,339,628.48x = 186,768,838.56 × 73,459,950.40 - Step 4: Simplify right side
135,339,628.48x = 13,720,029,616,883,208 - Step 5: Solve for x
x = 13,720,029,616,883,208/135,339,628.48 - Step 6: Final answer
x = 101,374,813.65
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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.