Finding the Fourth Proportional to 69,721,120.84, 104,594,450.13 and 28,758,214.18
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Solution
The fourth proportional to 69,721,120.84, 104,594,450.13 and 28,758,214.18 is: 43,142,588.11
Step by Step Solution
- Step 1: Write the proportion equation
69,721,120.84 : 104,594,450.13 = 28,758,214.18 : x - Step 2: Convert to fraction form
69,721,120.84/104,594,450.13 = 28,758,214.18/x - Step 3: Cross multiply
69,721,120.84x = 104,594,450.13 × 28,758,214.18 - Step 4: Simplify right side
69,721,120.84x = 3,007,949,598,877,868.50 - Step 5: Solve for x
x = 3,007,949,598,877,868.50/69,721,120.84 - Step 6: Final answer
x = 43,142,588.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.