Finding the Fourth Proportional to 64,768,459.68, 97,179,542.64 and 28,358,056.80
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Solution
The fourth proportional to 64,768,459.68, 97,179,542.64 and 28,358,056.80 is: 42,548,842.50
Step by Step Solution
- Step 1: Write the proportion equation
64,768,459.68 : 97,179,542.64 = 28,358,056.80 : x - Step 2: Convert to fraction form
64,768,459.68/97,179,542.64 = 28,358,056.80/x - Step 3: Cross multiply
64,768,459.68x = 97,179,542.64 × 28,358,056.80 - Step 4: Simplify right side
64,768,459.68x = 2,755,822,989,983,142 - Step 5: Solve for x
x = 2,755,822,989,983,142/64,768,459.68 - Step 6: Final answer
x = 42,548,842.50
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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.