Finding the Fourth Proportional to 236,990,777.10, 355,486,165.65 and 122,199,521.10
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Solution
The fourth proportional to 236,990,777.10, 355,486,165.65 and 122,199,521.10 is: 183,299,281.65
Step by Step Solution
- Step 1: Write the proportion equation
236,990,777.10 : 355,486,165.65 = 122,199,521.10 : x - Step 2: Convert to fraction form
236,990,777.10/355,486,165.65 = 122,199,521.10/x - Step 3: Cross multiply
236,990,777.10x = 355,486,165.65 × 122,199,521.10 - Step 4: Simplify right side
236,990,777.10x = 43,440,239,200,105,264 - Step 5: Solve for x
x = 43,440,239,200,105,264/236,990,777.10 - Step 6: Final answer
x = 183,299,281.65
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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.