Finding the Fourth Proportional to 138,175,679.14, 207,335,250.50 and 56,354,585.38
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Solution
The fourth proportional to 138,175,679.14, 207,335,250.50 and 56,354,585.38 is: 84,561,133.69
Step by Step Solution
- Step 1: Write the proportion equation
138,175,679.14 : 207,335,250.50 = 56,354,585.38 : x - Step 2: Convert to fraction form
138,175,679.14/207,335,250.50 = 56,354,585.38/x - Step 3: Cross multiply
138,175,679.14x = 207,335,250.50 × 56,354,585.38 - Step 4: Simplify right side
138,175,679.14x = 11,684,292,075,785,826 - Step 5: Solve for x
x = 11,684,292,075,785,826/138,175,679.14 - Step 6: Final answer
x = 84,561,133.69
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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.