Finding the Fourth Proportional to 70,756,884.24, 106,139,902.65 and 22,236,763.80
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Solution
The fourth proportional to 70,756,884.24, 106,139,902.65 and 22,236,763.80 is: 33,356,583.89
Step by Step Solution
- Step 1: Write the proportion equation
70,756,884.24 : 106,139,902.65 = 22,236,763.80 : x - Step 2: Convert to fraction form
70,756,884.24/106,139,902.65 = 22,236,763.80/x - Step 3: Cross multiply
70,756,884.24x = 106,139,902.65 × 22,236,763.80 - Step 4: Simplify right side
70,756,884.24x = 2,360,207,944,983,044.50 - Step 5: Solve for x
x = 2,360,207,944,983,044.50/70,756,884.24 - Step 6: Final answer
x = 33,356,583.89
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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.