Finding the Fourth Proportional to 70,727,705.40, 106,091,562.96 and 19,609,725.63
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Solution
The fourth proportional to 70,727,705.40, 106,091,562.96 and 19,609,725.63 is: 29,414,589.79
Step by Step Solution
- Step 1: Write the proportion equation
70,727,705.40 : 106,091,562.96 = 19,609,725.63 : x - Step 2: Convert to fraction form
70,727,705.40/106,091,562.96 = 19,609,725.63/x - Step 3: Cross multiply
70,727,705.40x = 106,091,562.96 × 19,609,725.63 - Step 4: Simplify right side
70,727,705.40x = 2,080,426,441,303,470.50 - Step 5: Solve for x
x = 2,080,426,441,303,470.50/70,727,705.40 - Step 6: Final answer
x = 29,414,589.79
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1.5x scale
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.