Finding the Fourth Proportional to 83,660,963.94, 115,454,930.51 and 46,492,810.79
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Solution
The fourth proportional to 83,660,963.94, 115,454,930.51 and 46,492,810.79 is: 64,161,635.08
Step by Step Solution
- Step 1: Write the proportion equation
83,660,963.94 : 115,454,930.51 = 46,492,810.79 : x - Step 2: Convert to fraction form
83,660,963.94/115,454,930.51 = 46,492,810.79/x - Step 3: Cross multiply
83,660,963.94x = 115,454,930.51 × 46,492,810.79 - Step 4: Simplify right side
83,660,963.94x = 5,367,824,238,512,985 - Step 5: Solve for x
x = 5,367,824,238,512,985/83,660,963.94 - Step 6: Final answer
x = 64,161,635.08
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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.