Finding the Fourth Proportional to 313,301,891.31, 432,368,278.28 and 187,874,507.99
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Solution
The fourth proportional to 313,301,891.31, 432,368,278.28 and 187,874,507.99 is: 259,273,818.01
Step by Step Solution
- Step 1: Write the proportion equation
313,301,891.31 : 432,368,278.28 = 187,874,507.99 : x - Step 2: Convert to fraction form
313,301,891.31/432,368,278.28 = 187,874,507.99/x - Step 3: Cross multiply
313,301,891.31x = 432,368,278.28 × 187,874,507.99 - Step 4: Simplify right side
313,301,891.31x = 81,230,977,549,237,184 - Step 5: Solve for x
x = 81,230,977,549,237,184/313,301,891.31 - Step 6: Final answer
x = 259,273,818.01
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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.