Finding the Fourth Proportional to 57,551,351.16, 79,418,501.28 and 31,446,765.12
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Solution
The fourth proportional to 57,551,351.16, 79,418,501.28 and 31,446,765.12 is: 43,395,244.52
Step by Step Solution
- Step 1: Write the proportion equation
57,551,351.16 : 79,418,501.28 = 31,446,765.12 : x - Step 2: Convert to fraction form
57,551,351.16/79,418,501.28 = 31,446,765.12/x - Step 3: Cross multiply
57,551,351.16x = 79,418,501.28 × 31,446,765.12 - Step 4: Simplify right side
57,551,351.16x = 2,497,454,955,934,579.50 - Step 5: Solve for x
x = 2,497,454,955,934,579.50/57,551,351.16 - Step 6: Final answer
x = 43,395,244.52
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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.