Finding the Fourth Proportional to 66,446,787.10, 99,471,115.05 and 39,506,575.90
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Solution
The fourth proportional to 66,446,787.10, 99,471,115.05 and 39,506,575.90 is: 59,141,507.48
Step by Step Solution
- Step 1: Write the proportion equation
66,446,787.10 : 99,471,115.05 = 39,506,575.90 : x - Step 2: Convert to fraction form
66,446,787.10/99,471,115.05 = 39,506,575.90/x - Step 3: Cross multiply
66,446,787.10x = 99,471,115.05 × 39,506,575.90 - Step 4: Simplify right side
66,446,787.10x = 3,929,763,156,580,457 - Step 5: Solve for x
x = 3,929,763,156,580,457/66,446,787.10 - Step 6: Final answer
x = 59,141,507.48
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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.