Finding the Fourth Proportional to 57,490,900.16, 79,338,642.88 and 31,386,518.24
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Solution
The fourth proportional to 57,490,900.16, 79,338,642.88 and 31,386,518.24 is: 43,314,050.66
Step by Step Solution
- Step 1: Write the proportion equation
57,490,900.16 : 79,338,642.88 = 31,386,518.24 : x - Step 2: Convert to fraction form
57,490,900.16/79,338,642.88 = 31,386,518.24/x - Step 3: Cross multiply
57,490,900.16x = 79,338,642.88 × 31,386,518.24 - Step 4: Simplify right side
57,490,900.16x = 2,490,163,761,889,966 - Step 5: Solve for x
x = 2,490,163,761,889,966/57,490,900.16 - Step 6: Final answer
x = 43,314,050.66
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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.