Finding the Fourth Proportional to 84,055,461.17, 115,999,420.83 and 48,770,601.82
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Solution
The fourth proportional to 84,055,461.17, 115,999,420.83 and 48,770,601.82 is: 67,305,104.11
Step by Step Solution
- Step 1: Write the proportion equation
84,055,461.17 : 115,999,420.83 = 48,770,601.82 : x - Step 2: Convert to fraction form
84,055,461.17/115,999,420.83 = 48,770,601.82/x - Step 3: Cross multiply
84,055,461.17x = 115,999,420.83 × 48,770,601.82 - Step 4: Simplify right side
84,055,461.17x = 5,657,361,564,572,612 - Step 5: Solve for x
x = 5,657,361,564,572,612/84,055,461.17 - Step 6: Final answer
x = 67,305,104.11
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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.