Finding the Fourth Proportional to 232,436,805.35, 320,777,298.43 and 128,014,848.99
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Solution
The fourth proportional to 232,436,805.35, 320,777,298.43 and 128,014,848.99 is: 176,668,481.38
Step by Step Solution
- Step 1: Write the proportion equation
232,436,805.35 : 320,777,298.43 = 128,014,848.99 : x - Step 2: Convert to fraction form
232,436,805.35/320,777,298.43 = 128,014,848.99/x - Step 3: Cross multiply
232,436,805.35x = 320,777,298.43 × 128,014,848.99 - Step 4: Simplify right side
232,436,805.35x = 41,064,257,417,616,576 - Step 5: Solve for x
x = 41,064,257,417,616,576/232,436,805.35 - Step 6: Final answer
x = 176,668,481.38
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1.5x scale
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.