Finding the Fourth Proportional to 186,899,276.72, 257,926,205 and 103,272,819.36
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Solution
The fourth proportional to 186,899,276.72, 257,926,205 and 103,272,819.36 is: 142,519,365.75
Step by Step Solution
- Step 1: Write the proportion equation
186,899,276.72 : 257,926,205 = 103,272,819.36 : x - Step 2: Convert to fraction form
186,899,276.72/257,926,205 = 103,272,819.36/x - Step 3: Cross multiply
186,899,276.72x = 257,926,205 × 103,272,819.36 - Step 4: Simplify right side
186,899,276.72x = 26,636,766,377,175,328 - Step 5: Solve for x
x = 26,636,766,377,175,328/186,899,276.72 - Step 6: Final answer
x = 142,519,365.75
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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.