Finding the Fourth Proportional to 53,953,772.68, 74,456,153.80 and 29,173,900.20
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Solution
The fourth proportional to 53,953,772.68, 74,456,153.80 and 29,173,900.20 is: 40,259,953.89
Step by Step Solution
- Step 1: Write the proportion equation
53,953,772.68 : 74,456,153.80 = 29,173,900.20 : x - Step 2: Convert to fraction form
53,953,772.68/74,456,153.80 = 29,173,900.20/x - Step 3: Cross multiply
53,953,772.68x = 74,456,153.80 × 29,173,900.20 - Step 4: Simplify right side
53,953,772.68x = 2,172,176,400,237,050.50 - Step 5: Solve for x
x = 2,172,176,400,237,050.50/53,953,772.68 - Step 6: Final answer
x = 40,259,953.89
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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.