Finding the Fourth Proportional to 364,068,009.20, 546,102,013.80 and 121,730,913.20
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Solution
The fourth proportional to 364,068,009.20, 546,102,013.80 and 121,730,913.20 is: 182,596,369.80
Step by Step Solution
- Step 1: Write the proportion equation
364,068,009.20 : 546,102,013.80 = 121,730,913.20 : x - Step 2: Convert to fraction form
364,068,009.20/546,102,013.80 = 121,730,913.20/x - Step 3: Cross multiply
364,068,009.20x = 546,102,013.80 × 121,730,913.20 - Step 4: Simplify right side
364,068,009.20x = 66,477,496,840,233,000 - Step 5: Solve for x
x = 66,477,496,840,233,000/364,068,009.20 - Step 6: Final answer
x = 182,596,369.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.