Finding the Fourth Proportional to 70,045,400.70, 105,068,101.05 and 44,599,218.30
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Solution
The fourth proportional to 70,045,400.70, 105,068,101.05 and 44,599,218.30 is: 66,898,827.45
Step by Step Solution
- Step 1: Write the proportion equation
70,045,400.70 : 105,068,101.05 = 44,599,218.30 : x - Step 2: Convert to fraction form
70,045,400.70/105,068,101.05 = 44,599,218.30/x - Step 3: Cross multiply
70,045,400.70x = 105,068,101.05 × 44,599,218.30 - Step 4: Simplify right side
70,045,400.70x = 4,685,955,175,095,409 - Step 5: Solve for x
x = 4,685,955,175,095,409/70,045,400.70 - Step 6: Final answer
x = 66,898,827.45
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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.