Finding the Fourth Proportional to 310,094,859.60, 427,949,968.68 and 170,865,585
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Solution
The fourth proportional to 310,094,859.60, 427,949,968.68 and 170,865,585 is: 235,805,010.90
Step by Step Solution
- Step 1: Write the proportion equation
310,094,859.60 : 427,949,968.68 = 170,865,585 : x - Step 2: Convert to fraction form
310,094,859.60/427,949,968.68 = 170,865,585/x - Step 3: Cross multiply
310,094,859.60x = 427,949,968.68 × 170,865,585 - Step 4: Simplify right side
310,094,859.60x = 73,121,921,749,239,872 - Step 5: Solve for x
x = 73,121,921,749,239,872/310,094,859.60 - Step 6: Final answer
x = 235,805,010.90
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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.