Finding the Fourth Proportional to 106,171,860.84, 146,521,713.69 and 59,128,934.06
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Solution
The fourth proportional to 106,171,860.84, 146,521,713.69 and 59,128,934.06 is: 81,600,460.59
Step by Step Solution
- Step 1: Write the proportion equation
106,171,860.84 : 146,521,713.69 = 59,128,934.06 : x - Step 2: Convert to fraction form
106,171,860.84/146,521,713.69 = 59,128,934.06/x - Step 3: Cross multiply
106,171,860.84x = 146,521,713.69 × 59,128,934.06 - Step 4: Simplify right side
106,171,860.84x = 8,663,672,746,401,601 - Step 5: Solve for x
x = 8,663,672,746,401,601/106,171,860.84 - Step 6: Final answer
x = 81,600,460.59
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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.