Finding the Fourth Proportional to 124,479,588.92, 171,796,896.04 and 70,847,289.99
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Solution
The fourth proportional to 124,479,588.92, 171,796,896.04 and 70,847,289.99 is: 97,777,833.45
Step by Step Solution
- Step 1: Write the proportion equation
124,479,588.92 : 171,796,896.04 = 70,847,289.99 : x - Step 2: Convert to fraction form
124,479,588.92/171,796,896.04 = 70,847,289.99/x - Step 3: Cross multiply
124,479,588.92x = 171,796,896.04 × 70,847,289.99 - Step 4: Simplify right side
124,479,588.92x = 12,171,344,513,127,762 - Step 5: Solve for x
x = 12,171,344,513,127,762/124,479,588.92 - Step 6: Final answer
x = 97,777,833.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.