Finding the Fourth Proportional to 170,176,763.09, 234,844,419.47 and 98,663,542.43
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Solution
The fourth proportional to 170,176,763.09, 234,844,419.47 and 98,663,542.43 is: 136,155,970.55
Step by Step Solution
- Step 1: Write the proportion equation
170,176,763.09 : 234,844,419.47 = 98,663,542.43 : x - Step 2: Convert to fraction form
170,176,763.09/234,844,419.47 = 98,663,542.43/x - Step 3: Cross multiply
170,176,763.09x = 234,844,419.47 × 98,663,542.43 - Step 4: Simplify right side
170,176,763.09x = 23,170,582,343,714,012 - Step 5: Solve for x
x = 23,170,582,343,714,012/170,176,763.09 - Step 6: Final answer
x = 136,155,970.55
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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.