Finding the Fourth Proportional to 218,272,058.70, 327,408,088.05 and 109,114,077.30
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Solution
The fourth proportional to 218,272,058.70, 327,408,088.05 and 109,114,077.30 is: 163,671,115.95
Step by Step Solution
- Step 1: Write the proportion equation
218,272,058.70 : 327,408,088.05 = 109,114,077.30 : x - Step 2: Convert to fraction form
218,272,058.70/327,408,088.05 = 109,114,077.30/x - Step 3: Cross multiply
218,272,058.70x = 327,408,088.05 × 109,114,077.30 - Step 4: Simplify right side
218,272,058.70x = 35,724,831,428,132,908 - Step 5: Solve for x
x = 35,724,831,428,132,908/218,272,058.70 - Step 6: Final answer
x = 163,671,115.95
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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.