Finding the Fourth Proportional to 124,479,588.24, 171,796,895.10 and 70,847,289.32
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Solution
The fourth proportional to 124,479,588.24, 171,796,895.10 and 70,847,289.32 is: 97,777,832.52
Step by Step Solution
- Step 1: Write the proportion equation
124,479,588.24 : 171,796,895.10 = 70,847,289.32 : x - Step 2: Convert to fraction form
124,479,588.24/171,796,895.10 = 70,847,289.32/x - Step 3: Cross multiply
124,479,588.24x = 171,796,895.10 × 70,847,289.32 - Step 4: Simplify right side
124,479,588.24x = 12,171,344,331,427,388 - Step 5: Solve for x
x = 12,171,344,331,427,388/124,479,588.24 - Step 6: Final answer
x = 97,777,832.52
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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.