Finding the Fourth Proportional to 120,928,720,070.88, 181,386,300,078 and 37,082,221,247.52
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Solution
The fourth proportional to 120,928,720,070.88, 181,386,300,078 and 37,082,221,247.52 is: 55,621,252,807.60
Step by Step Solution
- Step 1: Write the proportion equation
120,928,720,070.88 : 181,386,300,078 = 37,082,221,247.52 : x - Step 2: Convert to fraction form
120,928,720,070.88/181,386,300,078 = 37,082,221,247.52/x - Step 3: Cross multiply
120,928,720,070.88x = 181,386,300,078 × 37,082,221,247.52 - Step 4: Simplify right side
120,928,720,070.88x = 6,726,206,910,761,449,553,920 - Step 5: Solve for x
x = 6,726,206,910,761,449,553,920/120,928,720,070.88 - Step 6: Final answer
x = 55,621,252,807.60
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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.