Finding the Fourth Proportional to 125,981,547.12, 173,854,533.60 and 68,034,795.12
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Solution
The fourth proportional to 125,981,547.12, 173,854,533.60 and 68,034,795.12 is: 93,888,016.50
Step by Step Solution
- Step 1: Write the proportion equation
125,981,547.12 : 173,854,533.60 = 68,034,795.12 : x - Step 2: Convert to fraction form
125,981,547.12/173,854,533.60 = 68,034,795.12/x - Step 3: Cross multiply
125,981,547.12x = 173,854,533.60 × 68,034,795.12 - Step 4: Simplify right side
125,981,547.12x = 11,828,157,574,159,156 - Step 5: Solve for x
x = 11,828,157,574,159,156/125,981,547.12 - Step 6: Final answer
x = 93,888,016.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.