Finding the Fourth Proportional to 296,102,439.60, 408,634,134.04 and 163,943,432.12
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Solution
The fourth proportional to 296,102,439.60, 408,634,134.04 and 163,943,432.12 is: 226,249,005.26
Step by Step Solution
- Step 1: Write the proportion equation
296,102,439.60 : 408,634,134.04 = 163,943,432.12 : x - Step 2: Convert to fraction form
296,102,439.60/408,634,134.04 = 163,943,432.12/x - Step 3: Cross multiply
296,102,439.60x = 408,634,134.04 × 163,943,432.12 - Step 4: Simplify right side
296,102,439.60x = 66,992,882,415,901,728 - Step 5: Solve for x
x = 66,992,882,415,901,728/296,102,439.60 - Step 6: Final answer
x = 226,249,005.26
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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.