Finding the Fourth Proportional to 121,281,803.70, 167,368,889.22 and 69,075,697.08
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Solution
The fourth proportional to 121,281,803.70, 167,368,889.22 and 69,075,697.08 is: 95,324,462.04
Step by Step Solution
- Step 1: Write the proportion equation
121,281,803.70 : 167,368,889.22 = 69,075,697.08 : x - Step 2: Convert to fraction form
121,281,803.70/167,368,889.22 = 69,075,697.08/x - Step 3: Cross multiply
121,281,803.70x = 167,368,889.22 × 69,075,697.08 - Step 4: Simplify right side
121,281,803.70x = 11,561,122,692,376,798 - Step 5: Solve for x
x = 11,561,122,692,376,798/121,281,803.70 - Step 6: Final answer
x = 95,324,462.04
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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.