Finding the Fourth Proportional to 258,701,822.12, 357,009,964.61 and 147,192,660.23
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Solution
The fourth proportional to 258,701,822.12, 357,009,964.61 and 147,192,660.23 is: 203,126,696.17
Step by Step Solution
- Step 1: Write the proportion equation
258,701,822.12 : 357,009,964.61 = 147,192,660.23 : x - Step 2: Convert to fraction form
258,701,822.12/357,009,964.61 = 147,192,660.23/x - Step 3: Cross multiply
258,701,822.12x = 357,009,964.61 × 147,192,660.23 - Step 4: Simplify right side
258,701,822.12x = 52,549,246,419,564,056 - Step 5: Solve for x
x = 52,549,246,419,564,056/258,701,822.12 - Step 6: Final answer
x = 203,126,696.17
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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.