Finding the Fourth Proportional to 207,417,837.88, 286,248,095.40 and 114,596,352.84
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Solution
The fourth proportional to 207,417,837.88, 286,248,095.40 and 114,596,352.84 is: 158,149,309.03
Step by Step Solution
- Step 1: Write the proportion equation
207,417,837.88 : 286,248,095.40 = 114,596,352.84 : x - Step 2: Convert to fraction form
207,417,837.88/286,248,095.40 = 114,596,352.84/x - Step 3: Cross multiply
207,417,837.88x = 286,248,095.40 × 114,596,352.84 - Step 4: Simplify right side
207,417,837.88x = 32,802,987,740,236,380 - Step 5: Solve for x
x = 32,802,987,740,236,380/207,417,837.88 - Step 6: Final answer
x = 158,149,309.03
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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.