Finding the Fourth Proportional to 89,497,580.40, 125,636,734.80 and 89,497,580.40
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Solution
The fourth proportional to 89,497,580.40, 125,636,734.80 and 89,497,580.40 is: 125,636,734.80
Step by Step Solution
- Step 1: Write the proportion equation
89,497,580.40 : 125,636,734.80 = 89,497,580.40 : x - Step 2: Convert to fraction form
89,497,580.40/125,636,734.80 = 89,497,580.40/x - Step 3: Cross multiply
89,497,580.40x = 125,636,734.80 × 89,497,580.40 - Step 4: Simplify right side
89,497,580.40x = 11,244,183,773,956,478 - Step 5: Solve for x
x = 11,244,183,773,956,478/89,497,580.40 - Step 6: Final answer
x = 125,636,734.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.