Finding the Fourth Proportional to 54,217,937.52, 74,820,416.76 and 31,013,452.08
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Solution
The fourth proportional to 54,217,937.52, 74,820,416.76 and 31,013,452.08 is: 42,798,371.09
Step by Step Solution
- Step 1: Write the proportion equation
54,217,937.52 : 74,820,416.76 = 31,013,452.08 : x - Step 2: Convert to fraction form
54,217,937.52/74,820,416.76 = 31,013,452.08/x - Step 3: Cross multiply
54,217,937.52x = 74,820,416.76 × 31,013,452.08 - Step 4: Simplify right side
54,217,937.52x = 2,320,439,409,791,889 - Step 5: Solve for x
x = 2,320,439,409,791,889/54,217,937.52 - Step 6: Final answer
x = 42,798,371.09
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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.