Finding the Fourth Proportional to 257,126,750.46, 385,792,314.48 and 82,276,717.68
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Solution
The fourth proportional to 257,126,750.46, 385,792,314.48 and 82,276,717.68 is: 123,447,775.41
Step by Step Solution
- Step 1: Write the proportion equation
257,126,750.46 : 385,792,314.48 = 82,276,717.68 : x - Step 2: Convert to fraction form
257,126,750.46/385,792,314.48 = 82,276,717.68/x - Step 3: Cross multiply
257,126,750.46x = 385,792,314.48 × 82,276,717.68 - Step 4: Simplify right side
257,126,750.46x = 31,741,725,341,584,740 - Step 5: Solve for x
x = 31,741,725,341,584,740/257,126,750.46 - Step 6: Final answer
x = 123,447,775.41
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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.