Finding the Fourth Proportional to 81,243,741.60, 121,794,753.60 and 48,908,509.20
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Solution
The fourth proportional to 81,243,741.60, 121,794,753.60 and 48,908,509.20 is: 73,320,107.00
Step by Step Solution
- Step 1: Write the proportion equation
81,243,741.60 : 121,794,753.60 = 48,908,509.20 : x - Step 2: Convert to fraction form
81,243,741.60/121,794,753.60 = 48,908,509.20/x - Step 3: Cross multiply
81,243,741.60x = 121,794,753.60 × 48,908,509.20 - Step 4: Simplify right side
81,243,741.60x = 5,956,799,826,957,333 - Step 5: Solve for x
x = 5,956,799,826,957,333/81,243,741.60 - Step 6: Final answer
x = 73,320,107.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.