Finding the Fourth Proportional to 99,828,965.80, 149,743,448.70 and 94,790,117.80
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Solution
The fourth proportional to 99,828,965.80, 149,743,448.70 and 94,790,117.80 is: 142,185,176.70
Step by Step Solution
- Step 1: Write the proportion equation
99,828,965.80 : 149,743,448.70 = 94,790,117.80 : x - Step 2: Convert to fraction form
99,828,965.80/149,743,448.70 = 94,790,117.80/x - Step 3: Cross multiply
99,828,965.80x = 149,743,448.70 × 94,790,117.80 - Step 4: Simplify right side
99,828,965.80x = 14,194,199,142,051,256 - Step 5: Solve for x
x = 14,194,199,142,051,256/99,828,965.80 - Step 6: Final answer
x = 142,185,176.70
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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.