Finding the Fourth Proportional to 70,756,883.24, 106,139,901.15 and 22,236,762.80
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Solution
The fourth proportional to 70,756,883.24, 106,139,901.15 and 22,236,762.80 is: 33,356,582.40
Step by Step Solution
- Step 1: Write the proportion equation
70,756,883.24 : 106,139,901.15 = 22,236,762.80 : x - Step 2: Convert to fraction form
70,756,883.24/106,139,901.15 = 22,236,762.80/x - Step 3: Cross multiply
70,756,883.24x = 106,139,901.15 × 22,236,762.80 - Step 4: Simplify right side
70,756,883.24x = 2,360,207,805,753,347 - Step 5: Solve for x
x = 2,360,207,805,753,347/70,756,883.24 - Step 6: Final answer
x = 33,356,582.40
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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.