Finding the Fourth Proportional to 73,507,712.80, 110,261,569.20 and 62,028,587.20
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Solution
The fourth proportional to 73,507,712.80, 110,261,569.20 and 62,028,587.20 is: 93,042,880.80
Step by Step Solution
- Step 1: Write the proportion equation
73,507,712.80 : 110,261,569.20 = 62,028,587.20 : x - Step 2: Convert to fraction form
73,507,712.80/110,261,569.20 = 62,028,587.20/x - Step 3: Cross multiply
73,507,712.80x = 110,261,569.20 × 62,028,587.20 - Step 4: Simplify right side
73,507,712.80x = 6,839,369,359,931,035 - Step 5: Solve for x
x = 6,839,369,359,931,035/73,507,712.80 - Step 6: Final answer
x = 93,042,880.80
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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.