Finding the Fourth Proportional to 52,347,907.08, 72,238,700.40 and 29,143,036.08
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Solution
The fourth proportional to 52,347,907.08, 72,238,700.40 and 29,143,036.08 is: 40,216,604.05
Step by Step Solution
- Step 1: Write the proportion equation
52,347,907.08 : 72,238,700.40 = 29,143,036.08 : x - Step 2: Convert to fraction form
52,347,907.08/72,238,700.40 = 29,143,036.08/x - Step 3: Cross multiply
52,347,907.08x = 72,238,700.40 × 29,143,036.08 - Step 4: Simplify right side
52,347,907.08x = 2,105,255,052,129,510.50 - Step 5: Solve for x
x = 2,105,255,052,129,510.50/52,347,907.08 - Step 6: Final answer
x = 40,216,604.05
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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.