Finding the Fourth Proportional to 84,564,673.60, 126,847,010.40 and 44,169,908.80
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Solution
The fourth proportional to 84,564,673.60, 126,847,010.40 and 44,169,908.80 is: 66,254,863.20
Step by Step Solution
- Step 1: Write the proportion equation
84,564,673.60 : 126,847,010.40 = 44,169,908.80 : x - Step 2: Convert to fraction form
84,564,673.60/126,847,010.40 = 44,169,908.80/x - Step 3: Cross multiply
84,564,673.60x = 126,847,010.40 × 44,169,908.80 - Step 4: Simplify right side
84,564,673.60x = 5,602,820,880,920,651 - Step 5: Solve for x
x = 5,602,820,880,920,651/84,564,673.60 - Step 6: Final answer
x = 66,254,863.20
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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.