Finding the Fourth Proportional to 52,221,458.16, 72,047,197.58 and 29,878,125.75
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Solution
The fourth proportional to 52,221,458.16, 72,047,197.58 and 29,878,125.75 is: 41,221,277.71
Step by Step Solution
- Step 1: Write the proportion equation
52,221,458.16 : 72,047,197.58 = 29,878,125.75 : x - Step 2: Convert to fraction form
52,221,458.16/72,047,197.58 = 29,878,125.75/x - Step 3: Cross multiply
52,221,458.16x = 72,047,197.58 × 29,878,125.75 - Step 4: Simplify right side
52,221,458.16x = 2,152,635,229,080,945.25 - Step 5: Solve for x
x = 2,152,635,229,080,945.25/52,221,458.16 - Step 6: Final answer
x = 41,221,277.71
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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.