Finding the Fourth Proportional to 256,026,073.17, 383,883,595.72 and 100,393,430.99
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Solution
The fourth proportional to 256,026,073.17, 383,883,595.72 and 100,393,430.99 is: 150,529,166.03
Step by Step Solution
- Step 1: Write the proportion equation
256,026,073.17 : 383,883,595.72 = 100,393,430.99 : x - Step 2: Convert to fraction form
256,026,073.17/383,883,595.72 = 100,393,430.99/x - Step 3: Cross multiply
256,026,073.17x = 383,883,595.72 × 100,393,430.99 - Step 4: Simplify right side
256,026,073.17x = 38,539,391,275,095,904 - Step 5: Solve for x
x = 38,539,391,275,095,904/256,026,073.17 - Step 6: Final answer
x = 150,529,166.03
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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.