Finding the Fourth Proportional to 74,239,758.57, 102,453,196.62 and 42,877,224.93
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Solution
The fourth proportional to 74,239,758.57, 102,453,196.62 and 42,877,224.93 is: 59,171,915.98
Step by Step Solution
- Step 1: Write the proportion equation
74,239,758.57 : 102,453,196.62 = 42,877,224.93 : x - Step 2: Convert to fraction form
74,239,758.57/102,453,196.62 = 42,877,224.93/x - Step 3: Cross multiply
74,239,758.57x = 102,453,196.62 × 42,877,224.93 - Step 4: Simplify right side
74,239,758.57x = 4,392,908,756,273,256 - Step 5: Solve for x
x = 4,392,908,756,273,256/74,239,758.57 - Step 6: Final answer
x = 59,171,915.98
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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.