Finding the Fourth Proportional to 67,429,750.05, 101,133,216.99 and 18,896,433.84
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Solution
The fourth proportional to 67,429,750.05, 101,133,216.99 and 18,896,433.84 is: 28,341,453.77
Step by Step Solution
- Step 1: Write the proportion equation
67,429,750.05 : 101,133,216.99 = 18,896,433.84 : x - Step 2: Convert to fraction form
67,429,750.05/101,133,216.99 = 18,896,433.84/x - Step 3: Cross multiply
67,429,750.05x = 101,133,216.99 × 18,896,433.84 - Step 4: Simplify right side
67,429,750.05x = 1,911,057,143,877,898.75 - Step 5: Solve for x
x = 1,911,057,143,877,898.75/67,429,750.05 - Step 6: Final answer
x = 28,341,453.77
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1.5x scale
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.