Finding the Fourth Proportional to 85,373,969.29, 128,041,787.55 and 39,271,560.95
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Solution
The fourth proportional to 85,373,969.29, 128,041,787.55 and 39,271,560.95 is: 58,898,524.99
Step by Step Solution
- Step 1: Write the proportion equation
85,373,969.29 : 128,041,787.55 = 39,271,560.95 : x - Step 2: Convert to fraction form
85,373,969.29/128,041,787.55 = 39,271,560.95/x - Step 3: Cross multiply
85,373,969.29x = 128,041,787.55 × 39,271,560.95 - Step 4: Simplify right side
85,373,969.29x = 5,028,400,863,916,776 - Step 5: Solve for x
x = 5,028,400,863,916,776/85,373,969.29 - Step 6: Final answer
x = 58,898,524.99
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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.