Finding the Fourth Proportional to 83,762,908.80, 125,644,363.20 and 62,239,548.30
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Solution
The fourth proportional to 83,762,908.80, 125,644,363.20 and 62,239,548.30 is: 93,359,322.45
Step by Step Solution
- Step 1: Write the proportion equation
83,762,908.80 : 125,644,363.20 = 62,239,548.30 : x - Step 2: Convert to fraction form
83,762,908.80/125,644,363.20 = 62,239,548.30/x - Step 3: Cross multiply
83,762,908.80x = 125,644,363.20 × 62,239,548.30 - Step 4: Simplify right side
83,762,908.80x = 7,820,048,412,009,142 - Step 5: Solve for x
x = 7,820,048,412,009,142/83,762,908.80 - Step 6: Final answer
x = 93,359,322.45
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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.