Finding the Fourth Proportional to 108,250,303.68, 149,240,907.68 and 85,997,125.12
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Solution
The fourth proportional to 108,250,303.68, 149,240,907.68 and 85,997,125.12 is: 118,561,228.69
Step by Step Solution
- Step 1: Write the proportion equation
108,250,303.68 : 149,240,907.68 = 85,997,125.12 : x - Step 2: Convert to fraction form
108,250,303.68/149,240,907.68 = 85,997,125.12/x - Step 3: Cross multiply
108,250,303.68x = 149,240,907.68 × 85,997,125.12 - Step 4: Simplify right side
108,250,303.68x = 12,834,289,010,779,330 - Step 5: Solve for x
x = 12,834,289,010,779,330/108,250,303.68 - Step 6: Final answer
x = 118,561,228.69
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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.