Finding the Fourth Proportional to 122,027,342.28, 168,408,118.11 and 69,113,462.91
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Solution
The fourth proportional to 122,027,342.28, 168,408,118.11 and 69,113,462.91 is: 95,382,461.07
Step by Step Solution
- Step 1: Write the proportion equation
122,027,342.28 : 168,408,118.11 = 69,113,462.91 : x - Step 2: Convert to fraction form
122,027,342.28/168,408,118.11 = 69,113,462.91/x - Step 3: Cross multiply
122,027,342.28x = 168,408,118.11 × 69,113,462.91 - Step 4: Simplify right side
122,027,342.28x = 11,639,268,224,738,384 - Step 5: Solve for x
x = 11,639,268,224,738,384/122,027,342.28 - Step 6: Final answer
x = 95,382,461.07
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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.