Finding the Fourth Proportional to 66,361,445.60, 99,520,641.12 and 25,418,706.08
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Solution
The fourth proportional to 66,361,445.60, 99,520,641.12 and 25,418,706.08 is: 38,119,813.43
Step by Step Solution
- Step 1: Write the proportion equation
66,361,445.60 : 99,520,641.12 = 25,418,706.08 : x - Step 2: Convert to fraction form
66,361,445.60/99,520,641.12 = 25,418,706.08/x - Step 3: Cross multiply
66,361,445.60x = 99,520,641.12 × 25,418,706.08 - Step 4: Simplify right side
66,361,445.60x = 2,529,685,925,522,442 - Step 5: Solve for x
x = 2,529,685,925,522,442/66,361,445.60 - Step 6: Final answer
x = 38,119,813.43
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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.