Finding the Fourth Proportional to 149,779,967.60, 224,669,951.40 and 125,593,497.20
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Solution
The fourth proportional to 149,779,967.60, 224,669,951.40 and 125,593,497.20 is: 188,390,245.80
Step by Step Solution
- Step 1: Write the proportion equation
149,779,967.60 : 224,669,951.40 = 125,593,497.20 : x - Step 2: Convert to fraction form
149,779,967.60/224,669,951.40 = 125,593,497.20/x - Step 3: Cross multiply
149,779,967.60x = 224,669,951.40 × 125,593,497.20 - Step 4: Simplify right side
149,779,967.60x = 28,217,084,912,080,036 - Step 5: Solve for x
x = 28,217,084,912,080,036/149,779,967.60 - Step 6: Final answer
x = 188,390,245.80
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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.