Finding the Fourth Proportional to 105,225,337.64, 145,207,962.70 and 58,181,601.98
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Solution
The fourth proportional to 105,225,337.64, 145,207,962.70 and 58,181,601.98 is: 80,288,950.17
Step by Step Solution
- Step 1: Write the proportion equation
105,225,337.64 : 145,207,962.70 = 58,181,601.98 : x - Step 2: Convert to fraction form
105,225,337.64/145,207,962.70 = 58,181,601.98/x - Step 3: Cross multiply
105,225,337.64x = 145,207,962.70 × 58,181,601.98 - Step 4: Simplify right side
105,225,337.64x = 8,448,431,890,355,652 - Step 5: Solve for x
x = 8,448,431,890,355,652/105,225,337.64 - Step 6: Final answer
x = 80,288,950.17
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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.