Finding the Fourth Proportional to 53,811,276.84, 74,261,913.46 and 30,291,329.92
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Solution
The fourth proportional to 53,811,276.84, 74,261,913.46 and 30,291,329.92 is: 41,803,358.95
Step by Step Solution
- Step 1: Write the proportion equation
53,811,276.84 : 74,261,913.46 = 30,291,329.92 : x - Step 2: Convert to fraction form
53,811,276.84/74,261,913.46 = 30,291,329.92/x - Step 3: Cross multiply
53,811,276.84x = 74,261,913.46 × 30,291,329.92 - Step 4: Simplify right side
53,811,276.84x = 2,249,492,121,107,348.75 - Step 5: Solve for x
x = 2,249,492,121,107,348.75/53,811,276.84 - Step 6: Final answer
x = 41,803,358.95
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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.