Finding the Fourth Proportional to 258,112,157.91, 356,194,829.17 and 140,637,488.14
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Solution
The fourth proportional to 258,112,157.91, 356,194,829.17 and 140,637,488.14 is: 194,079,761.56
Step by Step Solution
- Step 1: Write the proportion equation
258,112,157.91 : 356,194,829.17 = 140,637,488.14 : x - Step 2: Convert to fraction form
258,112,157.91/356,194,829.17 = 140,637,488.14/x - Step 3: Cross multiply
258,112,157.91x = 356,194,829.17 × 140,637,488.14 - Step 4: Simplify right side
258,112,157.91x = 50,094,346,062,754,464 - Step 5: Solve for x
x = 50,094,346,062,754,464/258,112,157.91 - Step 6: Final answer
x = 194,079,761.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.