Finding the Fourth Proportional to 64,519,935.40, 96,779,903.10 and 48,395,621.80
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Solution
The fourth proportional to 64,519,935.40, 96,779,903.10 and 48,395,621.80 is: 72,593,432.70
Step by Step Solution
- Step 1: Write the proportion equation
64,519,935.40 : 96,779,903.10 = 48,395,621.80 : x - Step 2: Convert to fraction form
64,519,935.40/96,779,903.10 = 48,395,621.80/x - Step 3: Cross multiply
64,519,935.40x = 96,779,903.10 × 48,395,621.80 - Step 4: Simplify right side
64,519,935.40x = 4,683,723,588,268,247 - Step 5: Solve for x
x = 4,683,723,588,268,247/64,519,935.40 - Step 6: Final answer
x = 72,593,432.70
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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.