Finding the Fourth Proportional to 190,862,246.10, 286,377,349.95 and 88,573,631.70
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Solution
The fourth proportional to 190,862,246.10, 286,377,349.95 and 88,573,631.70 is: 132,899,420.60
Step by Step Solution
- Step 1: Write the proportion equation
190,862,246.10 : 286,377,349.95 = 88,573,631.70 : x - Step 2: Convert to fraction form
190,862,246.10/286,377,349.95 = 88,573,631.70/x - Step 3: Cross multiply
190,862,246.10x = 286,377,349.95 × 88,573,631.70 - Step 4: Simplify right side
190,862,246.10x = 25,365,481,921,693,312 - Step 5: Solve for x
x = 25,365,481,921,693,312/190,862,246.10 - Step 6: Final answer
x = 132,899,420.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.