Finding the Fourth Proportional to 249,311,107.08, 373,985,457.89 and 74,420,325.63
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Solution
The fourth proportional to 249,311,107.08, 373,985,457.89 and 74,420,325.63 is: 111,636,099.50
Step by Step Solution
- Step 1: Write the proportion equation
249,311,107.08 : 373,985,457.89 = 74,420,325.63 : x - Step 2: Convert to fraction form
249,311,107.08/373,985,457.89 = 74,420,325.63/x - Step 3: Cross multiply
249,311,107.08x = 373,985,457.89 × 74,420,325.63 - Step 4: Simplify right side
249,311,107.08x = 27,832,119,556,686,348 - Step 5: Solve for x
x = 27,832,119,556,686,348/249,311,107.08 - Step 6: Final answer
x = 111,636,099.50
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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.