Finding the Fourth Proportional to 124,699,542.30, 187,049,313.45 and 122,573,778.30
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Solution
The fourth proportional to 124,699,542.30, 187,049,313.45 and 122,573,778.30 is: 183,860,667.45
Step by Step Solution
- Step 1: Write the proportion equation
124,699,542.30 : 187,049,313.45 = 122,573,778.30 : x - Step 2: Convert to fraction form
124,699,542.30/187,049,313.45 = 122,573,778.30/x - Step 3: Cross multiply
124,699,542.30x = 187,049,313.45 × 122,573,778.30 - Step 4: Simplify right side
124,699,542.30x = 22,927,341,077,987,508 - Step 5: Solve for x
x = 22,927,341,077,987,508/124,699,542.30 - Step 6: Final answer
x = 183,860,667.45
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1.5x scale
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.