Finding the Fourth Proportional to 70,524,972.38, 97,319,125.40 and 39,579,162.96
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Solution
The fourth proportional to 70,524,972.38, 97,319,125.40 and 39,579,162.96 is: 54,616,250.01
Step by Step Solution
- Step 1: Write the proportion equation
70,524,972.38 : 97,319,125.40 = 39,579,162.96 : x - Step 2: Convert to fraction form
70,524,972.38/97,319,125.40 = 39,579,162.96/x - Step 3: Cross multiply
70,524,972.38x = 97,319,125.40 × 39,579,162.96 - Step 4: Simplify right side
70,524,972.38x = 3,851,809,523,331,275.50 - Step 5: Solve for x
x = 3,851,809,523,331,275.50/70,524,972.38 - Step 6: Final answer
x = 54,616,250.01
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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.