Finding the Fourth Proportional to 248,670,655.07, 343,159,492.38 and 137,159,101.07
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Solution
The fourth proportional to 248,670,655.07, 343,159,492.38 and 137,159,101.07 is: 189,276,243.65
Step by Step Solution
- Step 1: Write the proportion equation
248,670,655.07 : 343,159,492.38 = 137,159,101.07 : x - Step 2: Convert to fraction form
248,670,655.07/343,159,492.38 = 137,159,101.07/x - Step 3: Cross multiply
248,670,655.07x = 343,159,492.38 × 137,159,101.07 - Step 4: Simplify right side
248,670,655.07x = 47,067,447,498,478,312 - Step 5: Solve for x
x = 47,067,447,498,478,312/248,670,655.07 - Step 6: Final answer
x = 189,276,243.65
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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.