Finding the Fourth Proportional to 83,416,272.12, 115,118,094.24 and 46,244,186.28
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Solution
The fourth proportional to 83,416,272.12, 115,118,094.24 and 46,244,186.28 is: 63,818,994.29
Step by Step Solution
- Step 1: Write the proportion equation
83,416,272.12 : 115,118,094.24 = 46,244,186.28 : x - Step 2: Convert to fraction form
83,416,272.12/115,118,094.24 = 46,244,186.28/x - Step 3: Cross multiply
83,416,272.12x = 115,118,094.24 × 46,244,186.28 - Step 4: Simplify right side
83,416,272.12x = 5,323,542,594,233,155 - Step 5: Solve for x
x = 5,323,542,594,233,155/83,416,272.12 - Step 6: Final answer
x = 63,818,994.29
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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.