Finding the Fourth Proportional to 89,134,260.66, 122,975,876.57 and 53,838,877.59
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Solution
The fourth proportional to 89,134,260.66, 122,975,876.57 and 53,838,877.59 is: 74,279,890.99
Step by Step Solution
- Step 1: Write the proportion equation
89,134,260.66 : 122,975,876.57 = 53,838,877.59 : x - Step 2: Convert to fraction form
89,134,260.66/122,975,876.57 = 53,838,877.59/x - Step 3: Cross multiply
89,134,260.66x = 122,975,876.57 × 53,838,877.59 - Step 4: Simplify right side
89,134,260.66x = 6,620,883,164,905,985 - Step 5: Solve for x
x = 6,620,883,164,905,985/89,134,260.66 - Step 6: Final answer
x = 74,279,890.99
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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.