Finding the Fourth Proportional to 112,134,745.04, 154,745,978.99 and 61,898,994.18
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Solution
The fourth proportional to 112,134,745.04, 154,745,978.99 and 61,898,994.18 is: 85,420,628.99
Step by Step Solution
- Step 1: Write the proportion equation
112,134,745.04 : 154,745,978.99 = 61,898,994.18 : x - Step 2: Convert to fraction form
112,134,745.04/154,745,978.99 = 61,898,994.18/x - Step 3: Cross multiply
112,134,745.04x = 154,745,978.99 × 61,898,994.18 - Step 4: Simplify right side
112,134,745.04x = 9,578,620,452,570,918 - Step 5: Solve for x
x = 9,578,620,452,570,918/112,134,745.04 - Step 6: Final answer
x = 85,420,628.99
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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.