Finding the Fourth Proportional to 112,554,376.47, 155,329,893.99 and 62,318,594.79
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Solution
The fourth proportional to 112,554,376.47, 155,329,893.99 and 62,318,594.79 is: 86,002,348.61
Step by Step Solution
- Step 1: Write the proportion equation
112,554,376.47 : 155,329,893.99 = 62,318,594.79 : x - Step 2: Convert to fraction form
112,554,376.47/155,329,893.99 = 62,318,594.79/x - Step 3: Cross multiply
112,554,376.47x = 155,329,893.99 × 62,318,594.79 - Step 4: Simplify right side
112,554,376.47x = 9,679,940,722,336,466 - Step 5: Solve for x
x = 9,679,940,722,336,466/112,554,376.47 - Step 6: Final answer
x = 86,002,348.61
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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.