Finding the Fourth Proportional to 236,972,650.68, 355,492,971.72 and 73,224,699.84
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Solution
The fourth proportional to 236,972,650.68, 355,492,971.72 and 73,224,699.84 is: 109,847,554.45
Step by Step Solution
- Step 1: Write the proportion equation
236,972,650.68 : 355,492,971.72 = 73,224,699.84 : x - Step 2: Convert to fraction form
236,972,650.68/355,492,971.72 = 73,224,699.84/x - Step 3: Cross multiply
236,972,650.68x = 355,492,971.72 × 73,224,699.84 - Step 4: Simplify right side
236,972,650.68x = 26,030,866,149,426,612 - Step 5: Solve for x
x = 26,030,866,149,426,612/236,972,650.68 - Step 6: Final answer
x = 109,847,554.45
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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.