Finding the Fourth Proportional to 74,887,466.40, 112,331,199.60 and 62,794,231.20
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Solution
The fourth proportional to 74,887,466.40, 112,331,199.60 and 62,794,231.20 is: 94,191,346.80
Step by Step Solution
- Step 1: Write the proportion equation
74,887,466.40 : 112,331,199.60 = 62,794,231.20 : x - Step 2: Convert to fraction form
74,887,466.40/112,331,199.60 = 62,794,231.20/x - Step 3: Cross multiply
74,887,466.40x = 112,331,199.60 × 62,794,231.20 - Step 4: Simplify right side
74,887,466.40x = 7,053,751,318,655,747 - Step 5: Solve for x
x = 7,053,751,318,655,747/74,887,466.40 - Step 6: Final answer
x = 94,191,346.80
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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.