Finding the Fourth Proportional to 147,398,915.84, 221,126,712.96 and 56,515,416.96
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Solution
The fourth proportional to 147,398,915.84, 221,126,712.96 and 56,515,416.96 is: 84,783,991.20
Step by Step Solution
- Step 1: Write the proportion equation
147,398,915.84 : 221,126,712.96 = 56,515,416.96 : x - Step 2: Convert to fraction form
147,398,915.84/221,126,712.96 = 56,515,416.96/x - Step 3: Cross multiply
147,398,915.84x = 221,126,712.96 × 56,515,416.96 - Step 4: Simplify right side
147,398,915.84x = 12,497,068,383,928,636 - Step 5: Solve for x
x = 12,497,068,383,928,636/147,398,915.84 - Step 6: Final answer
x = 84,783,991.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.