Finding the Fourth Proportional to 56,126,730.72, 77,412,208.62 and 48,299,435.84
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Solution
The fourth proportional to 56,126,730.72, 77,412,208.62 and 48,299,435.84 is: 66,616,493.70
Step by Step Solution
- Step 1: Write the proportion equation
56,126,730.72 : 77,412,208.62 = 48,299,435.84 : x - Step 2: Convert to fraction form
56,126,730.72/77,412,208.62 = 48,299,435.84/x - Step 3: Cross multiply
56,126,730.72x = 77,412,208.62 × 48,299,435.84 - Step 4: Simplify right side
56,126,730.72x = 3,738,966,003,474,385.50 - Step 5: Solve for x
x = 3,738,966,003,474,385.50/56,126,730.72 - Step 6: Final answer
x = 66,616,493.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.