Finding the Fourth Proportional to 77,523,692.40, 106,987,461.12 and 42,716,373.75
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Solution
The fourth proportional to 77,523,692.40, 106,987,461.12 and 42,716,373.75 is: 58,951,221.68
Step by Step Solution
- Step 1: Write the proportion equation
77,523,692.40 : 106,987,461.12 = 42,716,373.75 : x - Step 2: Convert to fraction form
77,523,692.40/106,987,461.12 = 42,716,373.75/x - Step 3: Cross multiply
77,523,692.40x = 106,987,461.12 × 42,716,373.75 - Step 4: Simplify right side
77,523,692.40x = 4,570,116,375,765,514 - Step 5: Solve for x
x = 4,570,116,375,765,514/77,523,692.40 - Step 6: Final answer
x = 58,951,221.68
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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.