Finding the Fourth Proportional to 140,803,027.04, 194,317,157.04 and 78,923,381.60
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Solution
The fourth proportional to 140,803,027.04, 194,317,157.04 and 78,923,381.60 is: 108,919,299.95
Step by Step Solution
- Step 1: Write the proportion equation
140,803,027.04 : 194,317,157.04 = 78,923,381.60 : x - Step 2: Convert to fraction form
140,803,027.04/194,317,157.04 = 78,923,381.60/x - Step 3: Cross multiply
140,803,027.04x = 194,317,157.04 × 78,923,381.60 - Step 4: Simplify right side
140,803,027.04x = 15,336,167,136,495,044 - Step 5: Solve for x
x = 15,336,167,136,495,044/140,803,027.04 - Step 6: Final answer
x = 108,919,299.95
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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.