Finding the Fourth Proportional to 143,344,947.40, 214,881,202.84 and 91,383,693.64
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Solution
The fourth proportional to 143,344,947.40, 214,881,202.84 and 91,383,693.64 is: 136,988,700.09
Step by Step Solution
- Step 1: Write the proportion equation
143,344,947.40 : 214,881,202.84 = 91,383,693.64 : x - Step 2: Convert to fraction form
143,344,947.40/214,881,202.84 = 91,383,693.64/x - Step 3: Cross multiply
143,344,947.40x = 214,881,202.84 × 91,383,693.64 - Step 4: Simplify right side
143,344,947.40x = 19,636,638,009,325,260 - Step 5: Solve for x
x = 19,636,638,009,325,260/143,344,947.40 - Step 6: Final answer
x = 136,988,700.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.