Finding the Fourth Proportional to 90,727,318.86, 136,090,092.57 and 26,031,462.99
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Solution
The fourth proportional to 90,727,318.86, 136,090,092.57 and 26,031,462.99 is: 39,046,940.35
Step by Step Solution
- Step 1: Write the proportion equation
90,727,318.86 : 136,090,092.57 = 26,031,462.99 : x - Step 2: Convert to fraction form
90,727,318.86/136,090,092.57 = 26,031,462.99/x - Step 3: Cross multiply
90,727,318.86x = 136,090,092.57 × 26,031,462.99 - Step 4: Simplify right side
90,727,318.86x = 3,542,624,208,041,628.50 - Step 5: Solve for x
x = 3,542,624,208,041,628.50/90,727,318.86 - Step 6: Final answer
x = 39,046,940.35
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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.