Finding the Fourth Proportional to 187,351,095.84, 258,571,569.35 and 107,950,956.10
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Solution
The fourth proportional to 187,351,095.84, 258,571,569.35 and 107,950,956.10 is: 148,987,909.61
Step by Step Solution
- Step 1: Write the proportion equation
187,351,095.84 : 258,571,569.35 = 107,950,956.10 : x - Step 2: Convert to fraction form
187,351,095.84/258,571,569.35 = 107,950,956.10/x - Step 3: Cross multiply
187,351,095.84x = 258,571,569.35 × 107,950,956.10 - Step 4: Simplify right side
187,351,095.84x = 27,913,048,132,078,812 - Step 5: Solve for x
x = 27,913,048,132,078,812/187,351,095.84 - Step 6: Final answer
x = 148,987,909.61
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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.