Finding the Fourth Proportional to 89,905,120.48, 124,069,066.40 and 48,652,012.84
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Solution
The fourth proportional to 89,905,120.48, 124,069,066.40 and 48,652,012.84 is: 67,139,777.79
Step by Step Solution
- Step 1: Write the proportion equation
89,905,120.48 : 124,069,066.40 = 48,652,012.84 : x - Step 2: Convert to fraction form
89,905,120.48/124,069,066.40 = 48,652,012.84/x - Step 3: Cross multiply
89,905,120.48x = 124,069,066.40 × 48,652,012.84 - Step 4: Simplify right side
89,905,120.48x = 6,036,209,811,539,613 - Step 5: Solve for x
x = 6,036,209,811,539,613/89,905,120.48 - Step 6: Final answer
x = 67,139,777.79
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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.