Finding the Fourth Proportional to 79,396,243.20, 119,094,364.80 and 69,830,305.20
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Solution
The fourth proportional to 79,396,243.20, 119,094,364.80 and 69,830,305.20 is: 104,745,457.80
Step by Step Solution
- Step 1: Write the proportion equation
79,396,243.20 : 119,094,364.80 = 69,830,305.20 : x - Step 2: Convert to fraction form
79,396,243.20/119,094,364.80 = 69,830,305.20/x - Step 3: Cross multiply
79,396,243.20x = 119,094,364.80 × 69,830,305.20 - Step 4: Simplify right side
79,396,243.20x = 8,316,395,841,584,137 - Step 5: Solve for x
x = 8,316,395,841,584,137/79,396,243.20 - Step 6: Final answer
x = 104,745,457.80
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Similar ratio
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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.