Finding the Fourth Proportional to 61,516,328.56, 84,852,533.10 and 39,454,884.05
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Solution
The fourth proportional to 61,516,328.56, 84,852,533.10 and 39,454,884.05 is: 54,422,084.88
Step by Step Solution
- Step 1: Write the proportion equation
61,516,328.56 : 84,852,533.10 = 39,454,884.05 : x - Step 2: Convert to fraction form
61,516,328.56/84,852,533.10 = 39,454,884.05/x - Step 3: Cross multiply
61,516,328.56x = 84,852,533.10 × 39,454,884.05 - Step 4: Simplify right side
61,516,328.56x = 3,347,846,854,532,980.50 - Step 5: Solve for x
x = 3,347,846,854,532,980.50/61,516,328.56 - Step 6: Final answer
x = 54,422,084.88
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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.