Finding the Fourth Proportional to 68,469,785.36, 102,534,312.12 and 47,903,215.76
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Solution
The fourth proportional to 68,469,785.36, 102,534,312.12 and 47,903,215.76 is: 71,735,631.28
Step by Step Solution
- Step 1: Write the proportion equation
68,469,785.36 : 102,534,312.12 = 47,903,215.76 : x - Step 2: Convert to fraction form
68,469,785.36/102,534,312.12 = 47,903,215.76/x - Step 3: Cross multiply
68,469,785.36x = 102,534,312.12 × 47,903,215.76 - Step 4: Simplify right side
68,469,785.36x = 4,911,723,276,287,543 - Step 5: Solve for x
x = 4,911,723,276,287,543/68,469,785.36 - Step 6: Final answer
x = 71,735,631.28
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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.