Finding the Fourth Proportional to 125,981,554.12, 173,854,543.26 and 68,034,802.12
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Solution
The fourth proportional to 125,981,554.12, 173,854,543.26 and 68,034,802.12 is: 93,888,026.16
Step by Step Solution
- Step 1: Write the proportion equation
125,981,554.12 : 173,854,543.26 = 68,034,802.12 : x - Step 2: Convert to fraction form
125,981,554.12/173,854,543.26 = 68,034,802.12/x - Step 3: Cross multiply
125,981,554.12x = 173,854,543.26 × 68,034,802.12 - Step 4: Simplify right side
125,981,554.12x = 11,828,159,448,357,080 - Step 5: Solve for x
x = 11,828,159,448,357,080/125,981,554.12 - Step 6: Final answer
x = 93,888,026.16
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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.