Finding the Fourth Proportional to 64,519,934.40, 96,779,901.60 and 48,395,620.80
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Solution
The fourth proportional to 64,519,934.40, 96,779,901.60 and 48,395,620.80 is: 72,593,431.20
Step by Step Solution
- Step 1: Write the proportion equation
64,519,934.40 : 96,779,901.60 = 48,395,620.80 : x - Step 2: Convert to fraction form
64,519,934.40/96,779,901.60 = 48,395,620.80/x - Step 3: Cross multiply
64,519,934.40x = 96,779,901.60 × 48,395,620.80 - Step 4: Simplify right side
64,519,934.40x = 4,683,723,418,894,913 - Step 5: Solve for x
x = 4,683,723,418,894,913/64,519,934.40 - Step 6: Final answer
x = 72,593,431.20
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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.