Finding the Fourth Proportional to 92,901,615.21, 128,204,727.48 and 51,088,376.79
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Solution
The fourth proportional to 92,901,615.21, 128,204,727.48 and 51,088,376.79 is: 70,502,234.10
Step by Step Solution
- Step 1: Write the proportion equation
92,901,615.21 : 128,204,727.48 = 51,088,376.79 : x - Step 2: Convert to fraction form
92,901,615.21/128,204,727.48 = 51,088,376.79/x - Step 3: Cross multiply
92,901,615.21x = 128,204,727.48 × 51,088,376.79 - Step 4: Simplify right side
92,901,615.21x = 6,549,771,423,757,507 - Step 5: Solve for x
x = 6,549,771,423,757,507/92,901,615.21 - Step 6: Final answer
x = 70,502,234.10
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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.