Finding the Fourth Proportional to 76,939,526.33, 106,173,357.68 and 42,131,617.05
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Solution
The fourth proportional to 76,939,526.33, 106,173,357.68 and 42,131,617.05 is: 58,139,885.44
Step by Step Solution
- Step 1: Write the proportion equation
76,939,526.33 : 106,173,357.68 = 42,131,617.05 : x - Step 2: Convert to fraction form
76,939,526.33/106,173,357.68 = 42,131,617.05/x - Step 3: Cross multiply
76,939,526.33x = 106,173,357.68 × 42,131,617.05 - Step 4: Simplify right side
76,939,526.33x = 4,473,255,246,475,778 - Step 5: Solve for x
x = 4,473,255,246,475,778/76,939,526.33 - Step 6: Final answer
x = 58,139,885.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.