Finding the Fourth Proportional to 70,442,679.53, 97,199,934.97 and 40,266,745.65
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Solution
The fourth proportional to 70,442,679.53, 97,199,934.97 and 40,266,745.65 is: 55,561,842.40
Step by Step Solution
- Step 1: Write the proportion equation
70,442,679.53 : 97,199,934.97 = 40,266,745.65 : x - Step 2: Convert to fraction form
70,442,679.53/97,199,934.97 = 40,266,745.65/x - Step 3: Cross multiply
70,442,679.53x = 97,199,934.97 × 40,266,745.65 - Step 4: Simplify right side
70,442,679.53x = 3,913,925,058,147,531 - Step 5: Solve for x
x = 3,913,925,058,147,531/70,442,679.53 - Step 6: Final answer
x = 55,561,842.40
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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.