Finding the Fourth Proportional to 87,871,094,497.14, 121,287,917,491.47 and 57,391,937,630.70
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Solution
The fourth proportional to 87,871,094,497.14, 121,287,917,491.47 and 57,391,937,630.70 is: 79,217,729,514.62
Step by Step Solution
- Step 1: Write the proportion equation
87,871,094,497.14 : 121,287,917,491.47 = 57,391,937,630.70 : x - Step 2: Convert to fraction form
87,871,094,497.14/121,287,917,491.47 = 57,391,937,630.70/x - Step 3: Cross multiply
87,871,094,497.14x = 121,287,917,491.47 × 57,391,937,630.70 - Step 4: Simplify right side
87,871,094,497.14x = 6,960,948,596,027,933,327,360 - Step 5: Solve for x
x = 6,960,948,596,027,933,327,360/87,871,094,497.14 - Step 6: Final answer
x = 79,217,729,514.62
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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.