Finding the Fourth Proportional to 70,964,657.88, 106,464,965.70 and 21,783,004.62
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Solution
The fourth proportional to 70,964,657.88, 106,464,965.70 and 21,783,004.62 is: 32,680,025.65
Step by Step Solution
- Step 1: Write the proportion equation
70,964,657.88 : 106,464,965.70 = 21,783,004.62 : x - Step 2: Convert to fraction form
70,964,657.88/106,464,965.70 = 21,783,004.62/x - Step 3: Cross multiply
70,964,657.88x = 106,464,965.70 × 21,783,004.62 - Step 4: Simplify right side
70,964,657.88x = 2,319,126,839,711,241.50 - Step 5: Solve for x
x = 2,319,126,839,711,241.50/70,964,657.88 - Step 6: Final answer
x = 32,680,025.65
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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.