Finding the Fourth Proportional to 124,617,470.88, 171,971,298 and 69,612,846.24
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Solution
The fourth proportional to 124,617,470.88, 171,971,298 and 69,612,846.24 is: 96,065,274.32
Step by Step Solution
- Step 1: Write the proportion equation
124,617,470.88 : 171,971,298 = 69,612,846.24 : x - Step 2: Convert to fraction form
124,617,470.88/171,971,298 = 69,612,846.24/x - Step 3: Cross multiply
124,617,470.88x = 171,971,298 × 69,612,846.24 - Step 4: Simplify right side
124,617,470.88x = 11,971,411,525,367,218 - Step 5: Solve for x
x = 11,971,411,525,367,218/124,617,470.88 - Step 6: Final answer
x = 96,065,274.32
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1.5x scale
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.