Finding the Fourth Proportional to 153,879,076.80, 212,346,748.44 and 84,263,258.16
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Solution
The fourth proportional to 153,879,076.80, 212,346,748.44 and 84,263,258.16 is: 116,279,803.96
Step by Step Solution
- Step 1: Write the proportion equation
153,879,076.80 : 212,346,748.44 = 84,263,258.16 : x - Step 2: Convert to fraction form
153,879,076.80/212,346,748.44 = 84,263,258.16/x - Step 3: Cross multiply
153,879,076.80x = 212,346,748.44 × 84,263,258.16 - Step 4: Simplify right side
153,879,076.80x = 17,893,028,883,236,296 - Step 5: Solve for x
x = 17,893,028,883,236,296/153,879,076.80 - Step 6: Final answer
x = 116,279,803.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.