Finding the Fourth Proportional to 61,579,299.57, 84,526,772.28 and 54,453,856.74
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Solution
The fourth proportional to 61,579,299.57, 84,526,772.28 and 54,453,856.74 is: 74,746,039.34
Step by Step Solution
- Step 1: Write the proportion equation
61,579,299.57 : 84,526,772.28 = 54,453,856.74 : x - Step 2: Convert to fraction form
61,579,299.57/84,526,772.28 = 54,453,856.74/x - Step 3: Cross multiply
61,579,299.57x = 84,526,772.28 × 54,453,856.74 - Step 4: Simplify right side
61,579,299.57x = 4,602,808,748,429,723 - Step 5: Solve for x
x = 4,602,808,748,429,723/61,579,299.57 - Step 6: Final answer
x = 74,746,039.34
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.