Finding the Fourth Proportional to 98,954,991.50, 136,553,261.74 and 54,901,521.50
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Solution
The fourth proportional to 98,954,991.50, 136,553,261.74 and 54,901,521.50 is: 75,761,532.81
Step by Step Solution
- Step 1: Write the proportion equation
98,954,991.50 : 136,553,261.74 = 54,901,521.50 : x - Step 2: Convert to fraction form
98,954,991.50/136,553,261.74 = 54,901,521.50/x - Step 3: Cross multiply
98,954,991.50x = 136,553,261.74 × 54,901,521.50 - Step 4: Simplify right side
98,954,991.50x = 7,496,981,834,493,718 - Step 5: Solve for x
x = 7,496,981,834,493,718/98,954,991.50 - Step 6: Final answer
x = 75,761,532.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.