Finding the Fourth Proportional to 77,295,757.92, 115,962,618 and 38,452,537.44
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Solution
The fourth proportional to 77,295,757.92, 115,962,618 and 38,452,537.44 is: 57,688,248.75
Step by Step Solution
- Step 1: Write the proportion equation
77,295,757.92 : 115,962,618 = 38,452,537.44 : x - Step 2: Convert to fraction form
77,295,757.92/115,962,618 = 38,452,537.44/x - Step 3: Cross multiply
77,295,757.92x = 115,962,618 × 38,452,537.44 - Step 4: Simplify right side
77,295,757.92x = 4,459,056,910,285,417.50 - Step 5: Solve for x
x = 4,459,056,910,285,417.50/77,295,757.92 - Step 6: Final answer
x = 57,688,248.75
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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.