Finding the Fourth Proportional to 76,839,070.23, 106,037,916.95 and 41,556,875.10
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Solution
The fourth proportional to 76,839,070.23, 106,037,916.95 and 41,556,875.10 is: 57,348,487.66
Step by Step Solution
- Step 1: Write the proportion equation
76,839,070.23 : 106,037,916.95 = 41,556,875.10 : x - Step 2: Convert to fraction form
76,839,070.23/106,037,916.95 = 41,556,875.10/x - Step 3: Cross multiply
76,839,070.23x = 106,037,916.95 × 41,556,875.10 - Step 4: Simplify right side
76,839,070.23x = 4,406,604,470,555,323 - Step 5: Solve for x
x = 4,406,604,470,555,323/76,839,070.23 - Step 6: Final answer
x = 57,348,487.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.