Finding the Fourth Proportional to 320,223,220.83, 480,240,603.27 and 145,245,024.99
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Solution
The fourth proportional to 320,223,220.83, 480,240,603.27 and 145,245,024.99 is: 217,824,798.10
Step by Step Solution
- Step 1: Write the proportion equation
320,223,220.83 : 480,240,603.27 = 145,245,024.99 : x - Step 2: Convert to fraction form
320,223,220.83/480,240,603.27 = 145,245,024.99/x - Step 3: Cross multiply
320,223,220.83x = 480,240,603.27 × 145,245,024.99 - Step 4: Simplify right side
320,223,220.83x = 69,752,558,423,163,824 - Step 5: Solve for x
x = 69,752,558,423,163,824/320,223,220.83 - Step 6: Final answer
x = 217,824,798.10
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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.