Finding the Fourth Proportional to 306,163,420.72, 459,246,957.90 and 76,132,505.41
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Solution
The fourth proportional to 306,163,420.72, 459,246,957.90 and 76,132,505.41 is: 114,199,212.38
Step by Step Solution
- Step 1: Write the proportion equation
306,163,420.72 : 459,246,957.90 = 76,132,505.41 : x - Step 2: Convert to fraction form
306,163,420.72/459,246,957.90 = 76,132,505.41/x - Step 3: Cross multiply
306,163,420.72x = 459,246,957.90 × 76,132,505.41 - Step 4: Simplify right side
306,163,420.72x = 34,963,621,505,414,180 - Step 5: Solve for x
x = 34,963,621,505,414,180/306,163,420.72 - Step 6: Final answer
x = 114,199,212.38
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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.