Finding the Fourth Proportional to 88,305,364.16, 121,865,417.04 and 49,149,649.76
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Solution
The fourth proportional to 88,305,364.16, 121,865,417.04 and 49,149,649.76 is: 67,828,751.09
Step by Step Solution
- Step 1: Write the proportion equation
88,305,364.16 : 121,865,417.04 = 49,149,649.76 : x - Step 2: Convert to fraction form
88,305,364.16/121,865,417.04 = 49,149,649.76/x - Step 3: Cross multiply
88,305,364.16x = 121,865,417.04 × 49,149,649.76 - Step 4: Simplify right side
88,305,364.16x = 5,989,642,565,372,336 - Step 5: Solve for x
x = 5,989,642,565,372,336/88,305,364.16 - Step 6: Final answer
x = 67,828,751.09
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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.