Finding the Fourth Proportional to 128,060,953.94, 192,062,681.33 and 58,907,341.43
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Solution
The fourth proportional to 128,060,953.94, 192,062,681.33 and 58,907,341.43 is: 88,347,787.49
Step by Step Solution
- Step 1: Write the proportion equation
128,060,953.94 : 192,062,681.33 = 58,907,341.43 : x - Step 2: Convert to fraction form
128,060,953.94/192,062,681.33 = 58,907,341.43/x - Step 3: Cross multiply
128,060,953.94x = 192,062,681.33 × 58,907,341.43 - Step 4: Simplify right side
128,060,953.94x = 11,313,901,943,812,746 - Step 5: Solve for x
x = 11,313,901,943,812,746/128,060,953.94 - Step 6: Final answer
x = 88,347,787.49
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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.