Finding the Fourth Proportional to 56,007,899.08, 77,239,535.97 and 38,392,401.40
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Solution
The fourth proportional to 56,007,899.08, 77,239,535.97 and 38,392,401.40 is: 52,946,304.32
Step by Step Solution
- Step 1: Write the proportion equation
56,007,899.08 : 77,239,535.97 = 38,392,401.40 : x - Step 2: Convert to fraction form
56,007,899.08/77,239,535.97 = 38,392,401.40/x - Step 3: Cross multiply
56,007,899.08x = 77,239,535.97 × 38,392,401.40 - Step 4: Simplify right side
56,007,899.08x = 2,965,411,268,909,978 - Step 5: Solve for x
x = 2,965,411,268,909,978/56,007,899.08 - Step 6: Final answer
x = 52,946,304.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.