Finding the Fourth Proportional to 221,011,569.70, 330,879,625.35 and 195,502,401.70
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Solution
The fourth proportional to 221,011,569.70, 330,879,625.35 and 195,502,401.70 is: 292,689,480.09
Step by Step Solution
- Step 1: Write the proportion equation
221,011,569.70 : 330,879,625.35 = 195,502,401.70 : x - Step 2: Convert to fraction form
221,011,569.70/330,879,625.35 = 195,502,401.70/x - Step 3: Cross multiply
221,011,569.70x = 330,879,625.35 × 195,502,401.70 - Step 4: Simplify right side
221,011,569.70x = 64,687,761,429,521,200 - Step 5: Solve for x
x = 64,687,761,429,521,200/221,011,569.70 - Step 6: Final answer
x = 292,689,480.09
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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.